[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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/* Building internal representation for IRA.
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2010-05-25 18:29:38 +02:00
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Copyright (C) 2006, 2007, 2008, 2009, 2010
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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Free Software Foundation, Inc.
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Contributed by Vladimir Makarov <vmakarov@redhat.com>.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "rtl.h"
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#include "tm_p.h"
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#include "target.h"
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#include "regs.h"
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#include "flags.h"
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#include "hard-reg-set.h"
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#include "basic-block.h"
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#include "insn-config.h"
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#include "recog.h"
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2010-07-08 06:22:54 +02:00
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#include "diagnostic-core.h"
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
#include "params.h"
|
|
|
|
|
#include "df.h"
|
|
|
|
|
#include "reload.h"
|
|
|
|
|
#include "sparseset.h"
|
|
|
|
|
#include "ira-int.h"
|
fwprop.c: Make emit-rtl.h include last.
* fwprop.c: Make emit-rtl.h include last.
* rtlanal.c: Include emit-rtl.h.
* genautomata.c: Output emit-rtl include into insn-automata.c
* df-scan.c: Include emit-rtl.h.
* haifa-sched.c: Indlude emit-rtl.h.
* mode-switching.c: Indlude emit-rtl.h.
* graph.c: Indlude emit-rtl.h.
* sel-sched.c: Include emit-rtl.h.
* sel-sched-ir.c: Include emit-rtl.h.
* ira-build.c: Include emit-rtl.h.
* emit-rtl.c: (first_insn, last_insn): Remove defines.
(get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
Move to emit-rtl.h.
(set_new_first_and_last_insn, get_last_insn_anywhere, get_first_nonnote_insn,
get_last_nonnote_insn, try_split, make_call_insn_raw, add_insn_after,
add_insn_before, remove_insn, delete_insns_since, reorder_insns_nobb,
emit_insn_after_1, emit_debug_insn_before, emit_insn, start_sequence,
push_to_sequence, push_to_sequence2, push_topmost_sequence, end_sequence,
copy_insn): Use accessor functions.
* emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
mem_expr_equal_p): Move here from rtl.h
(get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
Move here from emit-rtl.c; make inline.
* cfglayout.h: Include emit-rtl.h
* rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
mem_expr_equal_p, get_insns, set_first-insn, get_last_insn, set_last_insn,
get_max_uid): Move to emit-rtl.h.
* reg-stack.c: Include emit-rtl.h
* dce.c: Likewise.
From-SVN: r160111
2010-06-01 17:49:37 +02:00
|
|
|
|
#include "emit-rtl.h" /* FIXME: Can go away once crtl is moved to rtl.h. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
|
|
|
|
static ira_copy_t find_allocno_copy (ira_allocno_t, ira_allocno_t, rtx,
|
|
|
|
|
ira_loop_tree_node_t);
|
|
|
|
|
|
|
|
|
|
/* The root of the loop tree corresponding to the all function. */
|
|
|
|
|
ira_loop_tree_node_t ira_loop_tree_root;
|
|
|
|
|
|
|
|
|
|
/* Height of the loop tree. */
|
|
|
|
|
int ira_loop_tree_height;
|
|
|
|
|
|
|
|
|
|
/* All nodes representing basic blocks are referred through the
|
|
|
|
|
following array. We can not use basic block member `aux' for this
|
|
|
|
|
because it is used for insertion of insns on edges. */
|
|
|
|
|
ira_loop_tree_node_t ira_bb_nodes;
|
|
|
|
|
|
|
|
|
|
/* All nodes representing loops are referred through the following
|
|
|
|
|
array. */
|
|
|
|
|
ira_loop_tree_node_t ira_loop_nodes;
|
|
|
|
|
|
2009-11-25 11:55:54 +01:00
|
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|
|
/* Map regno -> allocnos with given regno (see comments for
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
allocno member `next_regno_allocno'). */
|
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|
|
ira_allocno_t *ira_regno_allocno_map;
|
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|
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/* Array of references to all allocnos. The order number of the
|
|
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|
|
allocno corresponds to the index in the array. Removed allocnos
|
|
|
|
|
have NULL element value. */
|
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|
|
ira_allocno_t *ira_allocnos;
|
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/* Sizes of the previous array. */
|
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|
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int ira_allocnos_num;
|
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|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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/* Count of conflict record structures we've created, used when creating
|
|
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|
|
a new conflict id. */
|
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|
|
int ira_objects_num;
|
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|
|
|
|
/* Map a conflict id to its conflict record. */
|
|
|
|
|
ira_object_t *ira_object_id_map;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
|
|
|
|
/* Array of references to all copies. The order number of the copy
|
|
|
|
|
corresponds to the index in the array. Removed copies have NULL
|
|
|
|
|
element value. */
|
|
|
|
|
ira_copy_t *ira_copies;
|
|
|
|
|
|
|
|
|
|
/* Size of the previous array. */
|
|
|
|
|
int ira_copies_num;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* LAST_BASIC_BLOCK before generating additional insns because of live
|
|
|
|
|
range splitting. Emitting insns on a critical edge creates a new
|
|
|
|
|
basic block. */
|
|
|
|
|
static int last_basic_block_before_change;
|
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
/* Initialize some members in loop tree node NODE. Use LOOP_NUM for
|
|
|
|
|
the member loop_num. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static void
|
2012-01-19 21:46:31 +01:00
|
|
|
|
init_loop_tree_node (struct ira_loop_tree_node *node, int loop_num)
|
|
|
|
|
{
|
|
|
|
|
int max_regno = max_reg_num ();
|
|
|
|
|
|
|
|
|
|
node->regno_allocno_map
|
|
|
|
|
= (ira_allocno_t *) ira_allocate (sizeof (ira_allocno_t) * max_regno);
|
|
|
|
|
memset (node->regno_allocno_map, 0, sizeof (ira_allocno_t) * max_regno);
|
|
|
|
|
memset (node->reg_pressure, 0, sizeof (node->reg_pressure));
|
|
|
|
|
node->all_allocnos = ira_allocate_bitmap ();
|
|
|
|
|
node->modified_regnos = ira_allocate_bitmap ();
|
|
|
|
|
node->border_allocnos = ira_allocate_bitmap ();
|
|
|
|
|
node->local_copies = ira_allocate_bitmap ();
|
|
|
|
|
node->loop_num = loop_num;
|
|
|
|
|
node->children = NULL;
|
|
|
|
|
node->subloops = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The following function allocates the loop tree nodes. If
|
|
|
|
|
CURRENT_LOOPS is NULL, the nodes corresponding to the loops (except
|
|
|
|
|
the root which corresponds the all function) will be not allocated
|
|
|
|
|
but nodes will still be allocated for basic blocks. */
|
|
|
|
|
static void
|
|
|
|
|
create_loop_tree_nodes (void)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
unsigned int i, j;
|
|
|
|
|
bool skip_p;
|
|
|
|
|
edge_iterator ei;
|
|
|
|
|
edge e;
|
|
|
|
|
VEC (edge, heap) *edges;
|
|
|
|
|
loop_p loop;
|
|
|
|
|
|
|
|
|
|
ira_bb_nodes
|
|
|
|
|
= ((struct ira_loop_tree_node *)
|
|
|
|
|
ira_allocate (sizeof (struct ira_loop_tree_node) * last_basic_block));
|
|
|
|
|
last_basic_block_before_change = last_basic_block;
|
|
|
|
|
for (i = 0; i < (unsigned int) last_basic_block; i++)
|
|
|
|
|
{
|
|
|
|
|
ira_bb_nodes[i].regno_allocno_map = NULL;
|
|
|
|
|
memset (ira_bb_nodes[i].reg_pressure, 0,
|
|
|
|
|
sizeof (ira_bb_nodes[i].reg_pressure));
|
2008-09-03 22:20:57 +02:00
|
|
|
|
ira_bb_nodes[i].all_allocnos = NULL;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_bb_nodes[i].modified_regnos = NULL;
|
|
|
|
|
ira_bb_nodes[i].border_allocnos = NULL;
|
|
|
|
|
ira_bb_nodes[i].local_copies = NULL;
|
|
|
|
|
}
|
2012-01-19 21:46:31 +01:00
|
|
|
|
if (current_loops == NULL)
|
|
|
|
|
{
|
|
|
|
|
ira_loop_nodes = ((struct ira_loop_tree_node *)
|
|
|
|
|
ira_allocate (sizeof (struct ira_loop_tree_node)));
|
|
|
|
|
init_loop_tree_node (ira_loop_nodes, 0);
|
|
|
|
|
return;
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_loop_nodes = ((struct ira_loop_tree_node *)
|
|
|
|
|
ira_allocate (sizeof (struct ira_loop_tree_node)
|
|
|
|
|
* VEC_length (loop_p, ira_loops.larray)));
|
2010-08-20 14:48:59 +02:00
|
|
|
|
FOR_EACH_VEC_ELT (loop_p, ira_loops.larray, i, loop)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
if (loop != ira_loops.tree_root)
|
|
|
|
|
{
|
|
|
|
|
ira_loop_nodes[i].regno_allocno_map = NULL;
|
|
|
|
|
skip_p = false;
|
|
|
|
|
FOR_EACH_EDGE (e, ei, loop->header->preds)
|
|
|
|
|
if (e->src != loop->latch
|
|
|
|
|
&& (e->flags & EDGE_ABNORMAL) && EDGE_CRITICAL_P (e))
|
|
|
|
|
{
|
|
|
|
|
skip_p = true;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (skip_p)
|
|
|
|
|
continue;
|
|
|
|
|
edges = get_loop_exit_edges (loop);
|
2010-08-20 14:48:59 +02:00
|
|
|
|
FOR_EACH_VEC_ELT (edge, edges, j, e)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if ((e->flags & EDGE_ABNORMAL) && EDGE_CRITICAL_P (e))
|
|
|
|
|
{
|
|
|
|
|
skip_p = true;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
VEC_free (edge, heap, edges);
|
|
|
|
|
if (skip_p)
|
|
|
|
|
continue;
|
|
|
|
|
}
|
2012-01-19 21:46:31 +01:00
|
|
|
|
init_loop_tree_node (&ira_loop_nodes[i], loop->num);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* The function returns TRUE if there are more one allocation
|
|
|
|
|
region. */
|
|
|
|
|
static bool
|
|
|
|
|
more_one_region_p (void)
|
|
|
|
|
{
|
|
|
|
|
unsigned int i;
|
|
|
|
|
loop_p loop;
|
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
if (current_loops != NULL)
|
|
|
|
|
FOR_EACH_VEC_ELT (loop_p, ira_loops.larray, i, loop)
|
|
|
|
|
if (ira_loop_nodes[i].regno_allocno_map != NULL
|
|
|
|
|
&& ira_loop_tree_root != &ira_loop_nodes[i])
|
|
|
|
|
return true;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Free the loop tree node of a loop. */
|
|
|
|
|
static void
|
|
|
|
|
finish_loop_tree_node (ira_loop_tree_node_t loop)
|
|
|
|
|
{
|
|
|
|
|
if (loop->regno_allocno_map != NULL)
|
|
|
|
|
{
|
|
|
|
|
ira_assert (loop->bb == NULL);
|
|
|
|
|
ira_free_bitmap (loop->local_copies);
|
|
|
|
|
ira_free_bitmap (loop->border_allocnos);
|
|
|
|
|
ira_free_bitmap (loop->modified_regnos);
|
2008-09-03 22:20:57 +02:00
|
|
|
|
ira_free_bitmap (loop->all_allocnos);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_free (loop->regno_allocno_map);
|
|
|
|
|
loop->regno_allocno_map = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Free the loop tree nodes. */
|
|
|
|
|
static void
|
|
|
|
|
finish_loop_tree_nodes (void)
|
|
|
|
|
{
|
|
|
|
|
unsigned int i;
|
|
|
|
|
loop_p loop;
|
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
if (current_loops == NULL)
|
|
|
|
|
finish_loop_tree_node (&ira_loop_nodes[0]);
|
|
|
|
|
else
|
|
|
|
|
FOR_EACH_VEC_ELT (loop_p, ira_loops.larray, i, loop)
|
|
|
|
|
finish_loop_tree_node (&ira_loop_nodes[i]);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_free (ira_loop_nodes);
|
|
|
|
|
for (i = 0; i < (unsigned int) last_basic_block_before_change; i++)
|
|
|
|
|
{
|
|
|
|
|
if (ira_bb_nodes[i].local_copies != NULL)
|
|
|
|
|
ira_free_bitmap (ira_bb_nodes[i].local_copies);
|
|
|
|
|
if (ira_bb_nodes[i].border_allocnos != NULL)
|
|
|
|
|
ira_free_bitmap (ira_bb_nodes[i].border_allocnos);
|
|
|
|
|
if (ira_bb_nodes[i].modified_regnos != NULL)
|
|
|
|
|
ira_free_bitmap (ira_bb_nodes[i].modified_regnos);
|
2008-09-03 22:20:57 +02:00
|
|
|
|
if (ira_bb_nodes[i].all_allocnos != NULL)
|
|
|
|
|
ira_free_bitmap (ira_bb_nodes[i].all_allocnos);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ira_bb_nodes[i].regno_allocno_map != NULL)
|
|
|
|
|
ira_free (ira_bb_nodes[i].regno_allocno_map);
|
|
|
|
|
}
|
|
|
|
|
ira_free (ira_bb_nodes);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The following recursive function adds LOOP to the loop tree
|
2012-01-19 21:46:31 +01:00
|
|
|
|
hierarchy. LOOP is added only once. If LOOP is NULL we adding
|
|
|
|
|
loop designating the whole function when CFG loops are not
|
|
|
|
|
built. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static void
|
|
|
|
|
add_loop_to_tree (struct loop *loop)
|
|
|
|
|
{
|
2012-01-19 21:46:31 +01:00
|
|
|
|
int loop_num;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
struct loop *parent;
|
|
|
|
|
ira_loop_tree_node_t loop_node, parent_node;
|
|
|
|
|
|
|
|
|
|
/* We can not use loop node access macros here because of potential
|
|
|
|
|
checking and because the nodes are not initialized enough
|
|
|
|
|
yet. */
|
2012-01-19 21:46:31 +01:00
|
|
|
|
if (loop != NULL && loop_outer (loop) != NULL)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
add_loop_to_tree (loop_outer (loop));
|
2012-01-19 21:46:31 +01:00
|
|
|
|
loop_num = loop != NULL ? loop->num : 0;
|
|
|
|
|
if (ira_loop_nodes[loop_num].regno_allocno_map != NULL
|
|
|
|
|
&& ira_loop_nodes[loop_num].children == NULL)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
/* We have not added loop node to the tree yet. */
|
2012-01-19 21:46:31 +01:00
|
|
|
|
loop_node = &ira_loop_nodes[loop_num];
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
loop_node->loop = loop;
|
|
|
|
|
loop_node->bb = NULL;
|
2012-01-19 21:46:31 +01:00
|
|
|
|
if (loop == NULL)
|
|
|
|
|
parent = NULL;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
for (parent = loop_outer (loop);
|
|
|
|
|
parent != NULL;
|
|
|
|
|
parent = loop_outer (parent))
|
|
|
|
|
if (ira_loop_nodes[parent->num].regno_allocno_map != NULL)
|
|
|
|
|
break;
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (parent == NULL)
|
|
|
|
|
{
|
|
|
|
|
loop_node->next = NULL;
|
|
|
|
|
loop_node->subloop_next = NULL;
|
|
|
|
|
loop_node->parent = NULL;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
parent_node = &ira_loop_nodes[parent->num];
|
|
|
|
|
loop_node->next = parent_node->children;
|
|
|
|
|
parent_node->children = loop_node;
|
|
|
|
|
loop_node->subloop_next = parent_node->subloops;
|
|
|
|
|
parent_node->subloops = loop_node;
|
|
|
|
|
loop_node->parent = parent_node;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* The following recursive function sets up levels of nodes of the
|
|
|
|
|
tree given its root LOOP_NODE. The enumeration starts with LEVEL.
|
|
|
|
|
The function returns maximal value of level in the tree + 1. */
|
|
|
|
|
static int
|
|
|
|
|
setup_loop_tree_level (ira_loop_tree_node_t loop_node, int level)
|
|
|
|
|
{
|
|
|
|
|
int height, max_height;
|
|
|
|
|
ira_loop_tree_node_t subloop_node;
|
|
|
|
|
|
|
|
|
|
ira_assert (loop_node->bb == NULL);
|
|
|
|
|
loop_node->level = level;
|
|
|
|
|
max_height = level + 1;
|
|
|
|
|
for (subloop_node = loop_node->subloops;
|
|
|
|
|
subloop_node != NULL;
|
|
|
|
|
subloop_node = subloop_node->subloop_next)
|
|
|
|
|
{
|
|
|
|
|
ira_assert (subloop_node->bb == NULL);
|
|
|
|
|
height = setup_loop_tree_level (subloop_node, level + 1);
|
|
|
|
|
if (height > max_height)
|
|
|
|
|
max_height = height;
|
|
|
|
|
}
|
|
|
|
|
return max_height;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create the loop tree. The algorithm is designed to provide correct
|
|
|
|
|
order of loops (they are ordered by their last loop BB) and basic
|
|
|
|
|
blocks in the chain formed by member next. */
|
|
|
|
|
static void
|
|
|
|
|
form_loop_tree (void)
|
|
|
|
|
{
|
|
|
|
|
basic_block bb;
|
|
|
|
|
struct loop *parent;
|
|
|
|
|
ira_loop_tree_node_t bb_node, loop_node;
|
|
|
|
|
|
|
|
|
|
/* We can not use loop/bb node access macros because of potential
|
|
|
|
|
checking and because the nodes are not initialized enough
|
|
|
|
|
yet. */
|
2008-09-04 20:47:35 +02:00
|
|
|
|
FOR_EACH_BB (bb)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
bb_node = &ira_bb_nodes[bb->index];
|
|
|
|
|
bb_node->bb = bb;
|
|
|
|
|
bb_node->loop = NULL;
|
|
|
|
|
bb_node->subloops = NULL;
|
|
|
|
|
bb_node->children = NULL;
|
|
|
|
|
bb_node->subloop_next = NULL;
|
|
|
|
|
bb_node->next = NULL;
|
2012-01-19 21:46:31 +01:00
|
|
|
|
if (current_loops == NULL)
|
|
|
|
|
parent = NULL;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
for (parent = bb->loop_father;
|
|
|
|
|
parent != NULL;
|
|
|
|
|
parent = loop_outer (parent))
|
|
|
|
|
if (ira_loop_nodes[parent->num].regno_allocno_map != NULL)
|
|
|
|
|
break;
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
add_loop_to_tree (parent);
|
2012-01-19 21:46:31 +01:00
|
|
|
|
loop_node = &ira_loop_nodes[parent == NULL ? 0 : parent->num];
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
bb_node->next = loop_node->children;
|
|
|
|
|
bb_node->parent = loop_node;
|
|
|
|
|
loop_node->children = bb_node;
|
|
|
|
|
}
|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_loop_tree_root = IRA_LOOP_NODE_BY_INDEX (0);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_loop_tree_height = setup_loop_tree_level (ira_loop_tree_root, 0);
|
|
|
|
|
ira_assert (ira_loop_tree_root->regno_allocno_map != NULL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Rebuild IRA_REGNO_ALLOCNO_MAP and REGNO_ALLOCNO_MAPs of the loop
|
|
|
|
|
tree nodes. */
|
|
|
|
|
static void
|
|
|
|
|
rebuild_regno_allocno_maps (void)
|
|
|
|
|
{
|
|
|
|
|
unsigned int l;
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|
int max_regno, regno;
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ira_allocno_t a;
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|
ira_loop_tree_node_t loop_tree_node;
|
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loop_p loop;
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|
ira_allocno_iterator ai;
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|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_assert (current_loops != NULL);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
max_regno = max_reg_num ();
|
2010-08-20 14:48:59 +02:00
|
|
|
|
FOR_EACH_VEC_ELT (loop_p, ira_loops.larray, l, loop)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ira_loop_nodes[l].regno_allocno_map != NULL)
|
|
|
|
|
{
|
|
|
|
|
ira_free (ira_loop_nodes[l].regno_allocno_map);
|
|
|
|
|
ira_loop_nodes[l].regno_allocno_map
|
|
|
|
|
= (ira_allocno_t *) ira_allocate (sizeof (ira_allocno_t)
|
|
|
|
|
* max_regno);
|
|
|
|
|
memset (ira_loop_nodes[l].regno_allocno_map, 0,
|
|
|
|
|
sizeof (ira_allocno_t) * max_regno);
|
|
|
|
|
}
|
|
|
|
|
ira_free (ira_regno_allocno_map);
|
|
|
|
|
ira_regno_allocno_map
|
|
|
|
|
= (ira_allocno_t *) ira_allocate (max_regno * sizeof (ira_allocno_t));
|
|
|
|
|
memset (ira_regno_allocno_map, 0, max_regno * sizeof (ira_allocno_t));
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
if (ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
/* Caps are not in the regno allocno maps. */
|
|
|
|
|
continue;
|
|
|
|
|
regno = ALLOCNO_REGNO (a);
|
|
|
|
|
loop_tree_node = ALLOCNO_LOOP_TREE_NODE (a);
|
|
|
|
|
ALLOCNO_NEXT_REGNO_ALLOCNO (a) = ira_regno_allocno_map[regno];
|
|
|
|
|
ira_regno_allocno_map[regno] = a;
|
|
|
|
|
if (loop_tree_node->regno_allocno_map[regno] == NULL)
|
|
|
|
|
/* Remember that we can create temporary allocnos to break
|
|
|
|
|
cycles in register shuffle. */
|
|
|
|
|
loop_tree_node->regno_allocno_map[regno] = a;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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/* Pools for allocnos, allocno live ranges and objects. */
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static alloc_pool allocno_pool, live_range_pool, object_pool;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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/* Vec containing references to all created allocnos. It is a
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|
container of array allocnos. */
|
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static VEC(ira_allocno_t,heap) *allocno_vec;
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|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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/* Vec containing references to all created ira_objects. It is a
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container of ira_object_id_map. */
|
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static VEC(ira_object_t,heap) *ira_object_id_map_vec;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
|
|
|
|
/* Initialize data concerning allocnos. */
|
|
|
|
|
static void
|
|
|
|
|
initiate_allocnos (void)
|
|
|
|
|
{
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_pool
|
|
|
|
|
= create_alloc_pool ("live ranges",
|
|
|
|
|
sizeof (struct live_range), 100);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
allocno_pool
|
|
|
|
|
= create_alloc_pool ("allocnos", sizeof (struct ira_allocno), 100);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
object_pool
|
|
|
|
|
= create_alloc_pool ("objects", sizeof (struct ira_object), 100);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
allocno_vec = VEC_alloc (ira_allocno_t, heap, max_reg_num () * 2);
|
|
|
|
|
ira_allocnos = NULL;
|
|
|
|
|
ira_allocnos_num = 0;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_objects_num = 0;
|
|
|
|
|
ira_object_id_map_vec
|
|
|
|
|
= VEC_alloc (ira_object_t, heap, max_reg_num () * 2);
|
|
|
|
|
ira_object_id_map = NULL;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_regno_allocno_map
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
= (ira_allocno_t *) ira_allocate (max_reg_num ()
|
|
|
|
|
* sizeof (ira_allocno_t));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
memset (ira_regno_allocno_map, 0, max_reg_num () * sizeof (ira_allocno_t));
|
|
|
|
|
}
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
/* Create and return an object corresponding to a new allocno A. */
|
|
|
|
|
static ira_object_t
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_create_object (ira_allocno_t a, int subword)
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass = ALLOCNO_CLASS (a);
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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ira_object_t obj = (ira_object_t) pool_alloc (object_pool);
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OBJECT_ALLOCNO (obj) = a;
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2010-07-22 17:48:30 +02:00
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OBJECT_SUBWORD (obj) = subword;
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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OBJECT_CONFLICT_ID (obj) = ira_objects_num;
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OBJECT_CONFLICT_VEC_P (obj) = false;
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OBJECT_CONFLICT_ARRAY (obj) = NULL;
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OBJECT_NUM_CONFLICTS (obj) = 0;
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COPY_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (obj), ira_no_alloc_regs);
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COPY_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj), ira_no_alloc_regs);
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IOR_COMPL_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (obj),
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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reg_class_contents[aclass]);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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IOR_COMPL_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj),
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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reg_class_contents[aclass]);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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OBJECT_MIN (obj) = INT_MAX;
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OBJECT_MAX (obj) = -1;
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ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
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OBJECT_LIVE_RANGES (obj) = NULL;
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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VEC_safe_push (ira_object_t, heap, ira_object_id_map_vec, obj);
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ira_object_id_map
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= VEC_address (ira_object_t, ira_object_id_map_vec);
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ira_objects_num = VEC_length (ira_object_t, ira_object_id_map_vec);
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2010-07-22 17:48:30 +02:00
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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return obj;
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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/* Create and return the allocno corresponding to REGNO in
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LOOP_TREE_NODE. Add the allocno to the list of allocnos with the
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same regno if CAP_P is FALSE. */
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ira_allocno_t
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira_create_allocno (int regno, bool cap_p,
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ira_loop_tree_node_t loop_tree_node)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
|
|
|
|
|
a = (ira_allocno_t) pool_alloc (allocno_pool);
|
|
|
|
|
ALLOCNO_REGNO (a) = regno;
|
|
|
|
|
ALLOCNO_LOOP_TREE_NODE (a) = loop_tree_node;
|
|
|
|
|
if (! cap_p)
|
|
|
|
|
{
|
|
|
|
|
ALLOCNO_NEXT_REGNO_ALLOCNO (a) = ira_regno_allocno_map[regno];
|
|
|
|
|
ira_regno_allocno_map[regno] = a;
|
|
|
|
|
if (loop_tree_node->regno_allocno_map[regno] == NULL)
|
|
|
|
|
/* Remember that we can create temporary allocnos to break
|
|
|
|
|
cycles in register shuffle on region borders (see
|
|
|
|
|
ira-emit.c). */
|
|
|
|
|
loop_tree_node->regno_allocno_map[regno] = a;
|
|
|
|
|
}
|
|
|
|
|
ALLOCNO_CAP (a) = NULL;
|
|
|
|
|
ALLOCNO_CAP_MEMBER (a) = NULL;
|
|
|
|
|
ALLOCNO_NUM (a) = ira_allocnos_num;
|
2008-09-03 22:20:57 +02:00
|
|
|
|
bitmap_set_bit (loop_tree_node->all_allocnos, ALLOCNO_NUM (a));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_NREFS (a) = 0;
|
2008-09-09 19:05:56 +02:00
|
|
|
|
ALLOCNO_FREQ (a) = 0;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_HARD_REGNO (a) = -1;
|
|
|
|
|
ALLOCNO_CALL_FREQ (a) = 0;
|
|
|
|
|
ALLOCNO_CALLS_CROSSED_NUM (a) = 0;
|
attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.
* attribs.c (decl_attributes): Avoid emitting a warning if
ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
From-SVN: r187459
2012-05-14 14:08:31 +02:00
|
|
|
|
ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a) = 0;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
#ifdef STACK_REGS
|
|
|
|
|
ALLOCNO_NO_STACK_REG_P (a) = false;
|
|
|
|
|
ALLOCNO_TOTAL_NO_STACK_REG_P (a) = false;
|
|
|
|
|
#endif
|
|
|
|
|
ALLOCNO_DONT_REASSIGN_P (a) = false;
|
2008-11-14 17:41:56 +01:00
|
|
|
|
ALLOCNO_BAD_SPILL_P (a) = false;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_ASSIGNED_P (a) = false;
|
|
|
|
|
ALLOCNO_MODE (a) = (regno < 0 ? VOIDmode : PSEUDO_REGNO_MODE (regno));
|
|
|
|
|
ALLOCNO_COPIES (a) = NULL;
|
|
|
|
|
ALLOCNO_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
ALLOCNO_CONFLICT_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
ALLOCNO_UPDATED_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a) = NULL;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ALLOCNO_CLASS (a) = NO_REGS;
|
|
|
|
|
ALLOCNO_UPDATED_CLASS_COST (a) = 0;
|
|
|
|
|
ALLOCNO_CLASS_COST (a) = 0;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
|
|
ALLOCNO_MEMORY_COST (a) = 0;
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|
|
|
|
ALLOCNO_UPDATED_MEMORY_COST (a) = 0;
|
|
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ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (a) = 0;
|
2010-07-22 17:48:30 +02:00
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ALLOCNO_NUM_OBJECTS (a) = 0;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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|
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|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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|
ALLOCNO_ADD_DATA (a) = NULL;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
VEC_safe_push (ira_allocno_t, heap, allocno_vec, a);
|
|
|
|
|
ira_allocnos = VEC_address (ira_allocno_t, allocno_vec);
|
|
|
|
|
ira_allocnos_num = VEC_length (ira_allocno_t, allocno_vec);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return a;
|
|
|
|
|
}
|
|
|
|
|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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/* Set up register class for A and update its conflict hard
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registers. */
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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void
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira_set_allocno_class (ira_allocno_t a, enum reg_class aclass)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira_allocno_object_iterator oi;
|
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|
|
ira_object_t obj;
|
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ALLOCNO_CLASS (a) = aclass;
|
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FOR_EACH_ALLOCNO_OBJECT (a, obj, oi)
|
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{
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IOR_COMPL_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (obj),
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reg_class_contents[aclass]);
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IOR_COMPL_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj),
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reg_class_contents[aclass]);
|
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}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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|
}
|
|
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2010-07-22 17:48:30 +02:00
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/* Determine the number of objects we should associate with allocno A
|
|
|
|
|
and allocate them. */
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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|
|
void
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_create_allocno_objects (ira_allocno_t a)
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
enum machine_mode mode = ALLOCNO_MODE (a);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass = ALLOCNO_CLASS (a);
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int n = ira_reg_class_max_nregs[aclass][mode];
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2010-07-22 17:48:30 +02:00
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int i;
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if (GET_MODE_SIZE (mode) != 2 * UNITS_PER_WORD || n != 2)
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n = 1;
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ALLOCNO_NUM_OBJECTS (a) = n;
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for (i = 0; i < n; i++)
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ALLOCNO_OBJECT (a, i) = ira_create_object (a, i);
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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}
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2010-07-22 17:48:30 +02:00
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/* For each allocno, set ALLOCNO_NUM_OBJECTS and create the
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ALLOCNO_OBJECT structures. This must be called after the allocno
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2010-07-22 17:48:30 +02:00
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classes are known. */
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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static void
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create_allocno_objects (void)
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{
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ira_allocno_t a;
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ira_allocno_iterator ai;
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FOR_EACH_ALLOCNO (a, ai)
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2010-07-22 17:48:30 +02:00
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ira_create_allocno_objects (a);
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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}
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2010-07-22 17:48:30 +02:00
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/* Merge hard register conflict information for all objects associated with
|
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allocno TO into the corresponding objects associated with FROM.
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If TOTAL_ONLY is true, we only merge OBJECT_TOTAL_CONFLICT_HARD_REGS. */
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
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static void
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merge_hard_reg_conflicts (ira_allocno_t from, ira_allocno_t to,
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bool total_only)
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{
|
2010-07-22 17:48:30 +02:00
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int i;
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gcc_assert (ALLOCNO_NUM_OBJECTS (to) == ALLOCNO_NUM_OBJECTS (from));
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for (i = 0; i < ALLOCNO_NUM_OBJECTS (to); i++)
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{
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ira_object_t from_obj = ALLOCNO_OBJECT (from, i);
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ira_object_t to_obj = ALLOCNO_OBJECT (to, i);
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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2010-07-22 17:48:30 +02:00
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if (!total_only)
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IOR_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (to_obj),
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OBJECT_CONFLICT_HARD_REGS (from_obj));
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IOR_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (to_obj),
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OBJECT_TOTAL_CONFLICT_HARD_REGS (from_obj));
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}
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ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
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#ifdef STACK_REGS
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if (!total_only && ALLOCNO_NO_STACK_REG_P (from))
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ALLOCNO_NO_STACK_REG_P (to) = true;
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if (ALLOCNO_TOTAL_NO_STACK_REG_P (from))
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ALLOCNO_TOTAL_NO_STACK_REG_P (to) = true;
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#endif
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}
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2010-07-22 17:48:30 +02:00
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/* Update hard register conflict information for all objects associated with
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A to include the regs in SET. */
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void
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ior_hard_reg_conflicts (ira_allocno_t a, HARD_REG_SET *set)
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{
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ira_allocno_object_iterator i;
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ira_object_t obj;
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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2010-07-22 17:48:30 +02:00
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FOR_EACH_ALLOCNO_OBJECT (a, obj, i)
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{
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IOR_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (obj), *set);
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IOR_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj), *set);
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}
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}
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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/* Return TRUE if a conflict vector with NUM elements is more
|
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profitable than a conflict bit vector for OBJ. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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bool
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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|
ira_conflict_vector_profitable_p (ira_object_t obj, int num)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
int nw;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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|
|
int max = OBJECT_MAX (obj);
|
|
|
|
|
int min = OBJECT_MIN (obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if (max < min)
|
|
|
|
|
/* We prefer a bit vector in such case because it does not result
|
|
|
|
|
in allocation. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return false;
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
nw = (max - min + IRA_INT_BITS) / IRA_INT_BITS;
|
|
|
|
|
return (2 * sizeof (ira_object_t) * (num + 1)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
< 3 * nw * sizeof (IRA_INT_TYPE));
|
|
|
|
|
}
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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|
/* Allocates and initialize the conflict vector of OBJ for NUM
|
|
|
|
|
conflicting objects. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
void
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_allocate_conflict_vec (ira_object_t obj, int num)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
int size;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_object_t *vec;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_assert (OBJECT_CONFLICT_ARRAY (obj) == NULL);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
num++; /* for NULL end marker */
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
size = sizeof (ira_object_t) * num;
|
|
|
|
|
OBJECT_CONFLICT_ARRAY (obj) = ira_allocate (size);
|
|
|
|
|
vec = (ira_object_t *) OBJECT_CONFLICT_ARRAY (obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
vec[0] = NULL;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_NUM_CONFLICTS (obj) = 0;
|
|
|
|
|
OBJECT_CONFLICT_ARRAY_SIZE (obj) = size;
|
|
|
|
|
OBJECT_CONFLICT_VEC_P (obj) = true;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
/* Allocate and initialize the conflict bit vector of OBJ. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static void
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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|
allocate_conflict_bit_vec (ira_object_t obj)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
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unsigned int size;
|
|
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|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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ira_assert (OBJECT_CONFLICT_ARRAY (obj) == NULL);
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|
|
size = ((OBJECT_MAX (obj) - OBJECT_MIN (obj) + IRA_INT_BITS)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/ IRA_INT_BITS * sizeof (IRA_INT_TYPE));
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_CONFLICT_ARRAY (obj) = ira_allocate (size);
|
|
|
|
|
memset (OBJECT_CONFLICT_ARRAY (obj), 0, size);
|
|
|
|
|
OBJECT_CONFLICT_ARRAY_SIZE (obj) = size;
|
|
|
|
|
OBJECT_CONFLICT_VEC_P (obj) = false;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
|
}
|
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|
|
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|
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|
|
/* Allocate and initialize the conflict vector or conflict bit vector
|
2010-07-22 17:48:30 +02:00
|
|
|
|
of OBJ for NUM conflicting allocnos whatever is more profitable. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
void
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_allocate_object_conflicts (ira_object_t obj, int num)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
if (ira_conflict_vector_profitable_p (obj, num))
|
|
|
|
|
ira_allocate_conflict_vec (obj, num);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
else
|
2010-07-22 17:48:30 +02:00
|
|
|
|
allocate_conflict_bit_vec (obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
/* Add OBJ2 to the conflicts of OBJ1. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static void
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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add_to_conflicts (ira_object_t obj1, ira_object_t obj2)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
{
|
|
|
|
|
int num;
|
|
|
|
|
unsigned int size;
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if (OBJECT_CONFLICT_VEC_P (obj1))
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_object_t *vec = OBJECT_CONFLICT_VEC (obj1);
|
|
|
|
|
int curr_num = OBJECT_NUM_CONFLICTS (obj1);
|
|
|
|
|
num = curr_num + 2;
|
|
|
|
|
if (OBJECT_CONFLICT_ARRAY_SIZE (obj1) < num * sizeof (ira_object_t))
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_object_t *newvec;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
size = (3 * num / 2 + 1) * sizeof (ira_allocno_t);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
newvec = (ira_object_t *) ira_allocate (size);
|
|
|
|
|
memcpy (newvec, vec, curr_num * sizeof (ira_object_t));
|
|
|
|
|
ira_free (vec);
|
|
|
|
|
vec = newvec;
|
|
|
|
|
OBJECT_CONFLICT_ARRAY (obj1) = vec;
|
|
|
|
|
OBJECT_CONFLICT_ARRAY_SIZE (obj1) = size;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
vec[num - 2] = obj2;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
vec[num - 1] = NULL;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_NUM_CONFLICTS (obj1)++;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
int nw, added_head_nw, id;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
IRA_INT_TYPE *vec = OBJECT_CONFLICT_BITVEC (obj1);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
id = OBJECT_CONFLICT_ID (obj2);
|
|
|
|
|
if (OBJECT_MIN (obj1) > id)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
/* Expand head of the bit vector. */
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
added_head_nw = (OBJECT_MIN (obj1) - id - 1) / IRA_INT_BITS + 1;
|
|
|
|
|
nw = (OBJECT_MAX (obj1) - OBJECT_MIN (obj1)) / IRA_INT_BITS + 1;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
size = (nw + added_head_nw) * sizeof (IRA_INT_TYPE);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if (OBJECT_CONFLICT_ARRAY_SIZE (obj1) >= size)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
memmove ((char *) vec + added_head_nw * sizeof (IRA_INT_TYPE),
|
|
|
|
|
vec, nw * sizeof (IRA_INT_TYPE));
|
|
|
|
|
memset (vec, 0, added_head_nw * sizeof (IRA_INT_TYPE));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
size
|
|
|
|
|
= (3 * (nw + added_head_nw) / 2 + 1) * sizeof (IRA_INT_TYPE);
|
|
|
|
|
vec = (IRA_INT_TYPE *) ira_allocate (size);
|
|
|
|
|
memcpy ((char *) vec + added_head_nw * sizeof (IRA_INT_TYPE),
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_CONFLICT_ARRAY (obj1), nw * sizeof (IRA_INT_TYPE));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
memset (vec, 0, added_head_nw * sizeof (IRA_INT_TYPE));
|
|
|
|
|
memset ((char *) vec
|
|
|
|
|
+ (nw + added_head_nw) * sizeof (IRA_INT_TYPE),
|
|
|
|
|
0, size - (nw + added_head_nw) * sizeof (IRA_INT_TYPE));
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_free (OBJECT_CONFLICT_ARRAY (obj1));
|
|
|
|
|
OBJECT_CONFLICT_ARRAY (obj1) = vec;
|
|
|
|
|
OBJECT_CONFLICT_ARRAY_SIZE (obj1) = size;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_MIN (obj1) -= added_head_nw * IRA_INT_BITS;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
else if (OBJECT_MAX (obj1) < id)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
nw = (id - OBJECT_MIN (obj1)) / IRA_INT_BITS + 1;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
size = nw * sizeof (IRA_INT_TYPE);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if (OBJECT_CONFLICT_ARRAY_SIZE (obj1) < size)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
/* Expand tail of the bit vector. */
|
|
|
|
|
size = (3 * nw / 2 + 1) * sizeof (IRA_INT_TYPE);
|
|
|
|
|
vec = (IRA_INT_TYPE *) ira_allocate (size);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
memcpy (vec, OBJECT_CONFLICT_ARRAY (obj1), OBJECT_CONFLICT_ARRAY_SIZE (obj1));
|
|
|
|
|
memset ((char *) vec + OBJECT_CONFLICT_ARRAY_SIZE (obj1),
|
|
|
|
|
0, size - OBJECT_CONFLICT_ARRAY_SIZE (obj1));
|
|
|
|
|
ira_free (OBJECT_CONFLICT_ARRAY (obj1));
|
|
|
|
|
OBJECT_CONFLICT_ARRAY (obj1) = vec;
|
|
|
|
|
OBJECT_CONFLICT_ARRAY_SIZE (obj1) = size;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_MAX (obj1) = id;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
SET_MINMAX_SET_BIT (vec, id, OBJECT_MIN (obj1), OBJECT_MAX (obj1));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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}
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}
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|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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/* Add OBJ1 to the conflicts of OBJ2 and vice versa. */
|
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static void
|
|
|
|
|
ira_add_conflict (ira_object_t obj1, ira_object_t obj2)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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|
|
add_to_conflicts (obj1, obj2);
|
|
|
|
|
add_to_conflicts (obj2, obj1);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
/* Clear all conflicts of OBJ. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static void
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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clear_conflicts (ira_object_t obj)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
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if (OBJECT_CONFLICT_VEC_P (obj))
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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OBJECT_NUM_CONFLICTS (obj) = 0;
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OBJECT_CONFLICT_VEC (obj)[0] = NULL;
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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}
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
else if (OBJECT_CONFLICT_ARRAY_SIZE (obj) != 0)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
int nw;
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
nw = (OBJECT_MAX (obj) - OBJECT_MIN (obj)) / IRA_INT_BITS + 1;
|
|
|
|
|
memset (OBJECT_CONFLICT_BITVEC (obj), 0, nw * sizeof (IRA_INT_TYPE));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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}
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}
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/* The array used to find duplications in conflict vectors of
|
|
|
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|
allocnos. */
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
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|
static int *conflict_check;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
|
|
|
|
/* The value used to mark allocation presence in conflict vector of
|
|
|
|
|
the current allocno. */
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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static int curr_conflict_check_tick;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
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|
/* Remove duplications in conflict vector of OBJ. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static void
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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compress_conflict_vec (ira_object_t obj)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_object_t *vec, conflict_obj;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
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|
int i, j;
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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ira_assert (OBJECT_CONFLICT_VEC_P (obj));
|
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vec = OBJECT_CONFLICT_VEC (obj);
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curr_conflict_check_tick++;
|
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for (i = j = 0; (conflict_obj = vec[i]) != NULL; i++)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
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{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
int id = OBJECT_CONFLICT_ID (conflict_obj);
|
|
|
|
|
if (conflict_check[id] != curr_conflict_check_tick)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
conflict_check[id] = curr_conflict_check_tick;
|
|
|
|
|
vec[j++] = conflict_obj;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
OBJECT_NUM_CONFLICTS (obj) = j;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
vec[j] = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Remove duplications in conflict vectors of all allocnos. */
|
|
|
|
|
static void
|
|
|
|
|
compress_conflict_vecs (void)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_object_t obj;
|
|
|
|
|
ira_object_iterator oi;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
conflict_check = (int *) ira_allocate (sizeof (int) * ira_objects_num);
|
|
|
|
|
memset (conflict_check, 0, sizeof (int) * ira_objects_num);
|
|
|
|
|
curr_conflict_check_tick = 0;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_OBJECT (obj, oi)
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
{
|
|
|
|
|
if (OBJECT_CONFLICT_VEC_P (obj))
|
|
|
|
|
compress_conflict_vec (obj);
|
|
|
|
|
}
|
|
|
|
|
ira_free (conflict_check);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This recursive function outputs allocno A and if it is a cap the
|
|
|
|
|
function outputs its members. */
|
|
|
|
|
void
|
|
|
|
|
ira_print_expanded_allocno (ira_allocno_t a)
|
|
|
|
|
{
|
|
|
|
|
basic_block bb;
|
|
|
|
|
|
|
|
|
|
fprintf (ira_dump_file, " a%d(r%d", ALLOCNO_NUM (a), ALLOCNO_REGNO (a));
|
|
|
|
|
if ((bb = ALLOCNO_LOOP_TREE_NODE (a)->bb) != NULL)
|
|
|
|
|
fprintf (ira_dump_file, ",b%d", bb->index);
|
|
|
|
|
else
|
2012-01-19 21:46:31 +01:00
|
|
|
|
fprintf (ira_dump_file, ",l%d", ALLOCNO_LOOP_TREE_NODE (a)->loop_num);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
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if (ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
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|
|
{
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|
|
|
|
fprintf (ira_dump_file, ":");
|
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|
|
|
ira_print_expanded_allocno (ALLOCNO_CAP_MEMBER (a));
|
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|
}
|
|
|
|
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fprintf (ira_dump_file, ")");
|
|
|
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}
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/* Create and return the cap representing allocno A in the
|
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parent loop. */
|
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|
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static ira_allocno_t
|
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|
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create_cap_allocno (ira_allocno_t a)
|
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{
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ira_allocno_t cap;
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ira_loop_tree_node_t parent;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass;
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
|
|
parent = ALLOCNO_LOOP_TREE_NODE (a)->parent;
|
|
|
|
|
cap = ira_create_allocno (ALLOCNO_REGNO (a), true, parent);
|
|
|
|
|
ALLOCNO_MODE (cap) = ALLOCNO_MODE (a);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = ALLOCNO_CLASS (a);
|
|
|
|
|
ira_set_allocno_class (cap, aclass);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_create_allocno_objects (cap);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_CAP_MEMBER (cap) = a;
|
|
|
|
|
ALLOCNO_CAP (a) = cap;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ALLOCNO_CLASS_COST (cap) = ALLOCNO_CLASS_COST (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ALLOCNO_MEMORY_COST (cap) = ALLOCNO_MEMORY_COST (a);
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ira_allocate_and_copy_costs
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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(&ALLOCNO_HARD_REG_COSTS (cap), aclass, ALLOCNO_HARD_REG_COSTS (a));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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ira_allocate_and_copy_costs
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
(&ALLOCNO_CONFLICT_HARD_REG_COSTS (cap), aclass,
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_CONFLICT_HARD_REG_COSTS (a));
|
2008-11-14 17:41:56 +01:00
|
|
|
|
ALLOCNO_BAD_SPILL_P (cap) = ALLOCNO_BAD_SPILL_P (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_NREFS (cap) = ALLOCNO_NREFS (a);
|
|
|
|
|
ALLOCNO_FREQ (cap) = ALLOCNO_FREQ (a);
|
|
|
|
|
ALLOCNO_CALL_FREQ (cap) = ALLOCNO_CALL_FREQ (a);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
merge_hard_reg_conflicts (a, cap, false);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_CALLS_CROSSED_NUM (cap) = ALLOCNO_CALLS_CROSSED_NUM (a);
|
attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.
* attribs.c (decl_attributes): Avoid emitting a warning if
ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
From-SVN: r187459
2012-05-14 14:08:31 +02:00
|
|
|
|
ALLOCNO_CHEAP_CALLS_CROSSED_NUM (cap) = ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
|
|
|
|
|
{
|
|
|
|
|
fprintf (ira_dump_file, " Creating cap ");
|
|
|
|
|
ira_print_expanded_allocno (cap);
|
|
|
|
|
fprintf (ira_dump_file, "\n");
|
|
|
|
|
}
|
|
|
|
|
return cap;
|
|
|
|
|
}
|
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
|
/* Create and return a live range for OBJECT with given attributes. */
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_create_live_range (ira_object_t obj, int start, int finish,
|
|
|
|
|
live_range_t next)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
2010-06-25 01:30:28 +02:00
|
|
|
|
p = (live_range_t) pool_alloc (live_range_pool);
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
p->object = obj;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
p->start = start;
|
|
|
|
|
p->finish = finish;
|
|
|
|
|
p->next = next;
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
|
/* Create a new live range for OBJECT and queue it at the head of its
|
|
|
|
|
live range list. */
|
|
|
|
|
void
|
|
|
|
|
ira_add_live_range_to_object (ira_object_t object, int start, int finish)
|
|
|
|
|
{
|
|
|
|
|
live_range_t p;
|
|
|
|
|
p = ira_create_live_range (object, start, finish,
|
|
|
|
|
OBJECT_LIVE_RANGES (object));
|
|
|
|
|
OBJECT_LIVE_RANGES (object) = p;
|
|
|
|
|
}
|
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Copy allocno live range R and return the result. */
|
2010-06-25 01:30:28 +02:00
|
|
|
|
static live_range_t
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
copy_live_range (live_range_t r)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
2010-06-25 01:30:28 +02:00
|
|
|
|
p = (live_range_t) pool_alloc (live_range_pool);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
*p = *r;
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Copy allocno live range list given by its head R and return the
|
|
|
|
|
result. */
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_copy_live_range_list (live_range_t r)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t p, first, last;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
|
|
|
|
if (r == NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
for (first = last = NULL; r != NULL; r = r->next)
|
|
|
|
|
{
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
p = copy_live_range (r);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (first == NULL)
|
|
|
|
|
first = p;
|
|
|
|
|
else
|
|
|
|
|
last->next = p;
|
|
|
|
|
last = p;
|
|
|
|
|
}
|
|
|
|
|
return first;
|
|
|
|
|
}
|
|
|
|
|
|
2008-11-19 22:20:44 +01:00
|
|
|
|
/* Merge ranges R1 and R2 and returns the result. The function
|
|
|
|
|
maintains the order of ranges and tries to minimize number of the
|
|
|
|
|
result ranges. */
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_merge_live_ranges (live_range_t r1, live_range_t r2)
|
2008-11-19 22:20:44 +01:00
|
|
|
|
{
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t first, last, temp;
|
2008-11-19 22:20:44 +01:00
|
|
|
|
|
|
|
|
|
if (r1 == NULL)
|
|
|
|
|
return r2;
|
|
|
|
|
if (r2 == NULL)
|
|
|
|
|
return r1;
|
|
|
|
|
for (first = last = NULL; r1 != NULL && r2 != NULL;)
|
|
|
|
|
{
|
|
|
|
|
if (r1->start < r2->start)
|
|
|
|
|
{
|
|
|
|
|
temp = r1;
|
|
|
|
|
r1 = r2;
|
|
|
|
|
r2 = temp;
|
|
|
|
|
}
|
|
|
|
|
if (r1->start <= r2->finish + 1)
|
|
|
|
|
{
|
|
|
|
|
/* Intersected ranges: merge r1 and r2 into r1. */
|
|
|
|
|
r1->start = r2->start;
|
|
|
|
|
if (r1->finish < r2->finish)
|
|
|
|
|
r1->finish = r2->finish;
|
|
|
|
|
temp = r2;
|
|
|
|
|
r2 = r2->next;
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_finish_live_range (temp);
|
2008-11-19 22:20:44 +01:00
|
|
|
|
if (r2 == NULL)
|
|
|
|
|
{
|
|
|
|
|
/* To try to merge with subsequent ranges in r1. */
|
|
|
|
|
r2 = r1->next;
|
|
|
|
|
r1->next = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Add r1 to the result. */
|
|
|
|
|
if (first == NULL)
|
|
|
|
|
first = last = r1;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
last->next = r1;
|
|
|
|
|
last = r1;
|
|
|
|
|
}
|
|
|
|
|
r1 = r1->next;
|
|
|
|
|
if (r1 == NULL)
|
|
|
|
|
{
|
|
|
|
|
/* To try to merge with subsequent ranges in r2. */
|
|
|
|
|
r1 = r2->next;
|
|
|
|
|
r2->next = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (r1 != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (first == NULL)
|
|
|
|
|
first = r1;
|
|
|
|
|
else
|
|
|
|
|
last->next = r1;
|
|
|
|
|
ira_assert (r1->next == NULL);
|
|
|
|
|
}
|
|
|
|
|
else if (r2 != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (first == NULL)
|
|
|
|
|
first = r2;
|
|
|
|
|
else
|
|
|
|
|
last->next = r2;
|
|
|
|
|
ira_assert (r2->next == NULL);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ira_assert (last->next == NULL);
|
|
|
|
|
}
|
|
|
|
|
return first;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return TRUE if live ranges R1 and R2 intersect. */
|
|
|
|
|
bool
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_live_ranges_intersect_p (live_range_t r1, live_range_t r2)
|
2008-11-19 22:20:44 +01:00
|
|
|
|
{
|
|
|
|
|
/* Remember the live ranges are always kept ordered. */
|
|
|
|
|
while (r1 != NULL && r2 != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (r1->start > r2->finish)
|
|
|
|
|
r1 = r1->next;
|
|
|
|
|
else if (r2->start > r1->finish)
|
|
|
|
|
r2 = r2->next;
|
|
|
|
|
else
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Free allocno live range R. */
|
|
|
|
|
void
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_finish_live_range (live_range_t r)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-06-25 01:30:28 +02:00
|
|
|
|
pool_free (live_range_pool, r);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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}
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2008-11-19 22:20:44 +01:00
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/* Free list of allocno live ranges starting with R. */
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void
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ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
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ira_finish_live_range_list (live_range_t r)
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2008-11-19 22:20:44 +01:00
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{
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2010-06-25 01:30:28 +02:00
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live_range_t next_r;
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2008-11-19 22:20:44 +01:00
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for (; r != NULL; r = next_r)
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{
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next_r = r->next;
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
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ira_finish_live_range (r);
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2008-11-19 22:20:44 +01:00
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}
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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/* Free updated register costs of allocno A. */
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void
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ira_free_allocno_updated_costs (ira_allocno_t a)
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ALLOCNO_CLASS (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ALLOCNO_UPDATED_HARD_REG_COSTS (a) != NULL)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ira_free_cost_vector (ALLOCNO_UPDATED_HARD_REG_COSTS (a), aclass);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_UPDATED_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
if (ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a) != NULL)
|
|
|
|
|
ira_free_cost_vector (ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a),
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a) = NULL;
|
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}
|
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|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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/* Free and nullify all cost vectors allocated earlier for allocno
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A. */
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static void
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira_free_allocno_costs (ira_allocno_t a)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass = ALLOCNO_CLASS (a);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_object_t obj;
|
|
|
|
|
ira_allocno_object_iterator oi;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_ALLOCNO_OBJECT (a, obj, oi)
|
|
|
|
|
{
|
|
|
|
|
ira_finish_live_range_list (OBJECT_LIVE_RANGES (obj));
|
|
|
|
|
ira_object_id_map[OBJECT_CONFLICT_ID (obj)] = NULL;
|
|
|
|
|
if (OBJECT_CONFLICT_ARRAY (obj) != NULL)
|
|
|
|
|
ira_free (OBJECT_CONFLICT_ARRAY (obj));
|
|
|
|
|
pool_free (object_pool, obj);
|
|
|
|
|
}
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_allocnos[ALLOCNO_NUM (a)] = NULL;
|
|
|
|
|
if (ALLOCNO_HARD_REG_COSTS (a) != NULL)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ira_free_cost_vector (ALLOCNO_HARD_REG_COSTS (a), aclass);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ALLOCNO_CONFLICT_HARD_REG_COSTS (a) != NULL)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira_free_cost_vector (ALLOCNO_CONFLICT_HARD_REG_COSTS (a), aclass);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ALLOCNO_UPDATED_HARD_REG_COSTS (a) != NULL)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ira_free_cost_vector (ALLOCNO_UPDATED_HARD_REG_COSTS (a), aclass);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a) != NULL)
|
|
|
|
|
ira_free_cost_vector (ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a),
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass);
|
|
|
|
|
ALLOCNO_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
ALLOCNO_CONFLICT_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
ALLOCNO_UPDATED_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a) = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Free the memory allocated for allocno A. */
|
|
|
|
|
static void
|
|
|
|
|
finish_allocno (ira_allocno_t a)
|
|
|
|
|
{
|
|
|
|
|
ira_free_allocno_costs (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
pool_free (allocno_pool, a);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Free the memory allocated for all allocnos. */
|
|
|
|
|
static void
|
|
|
|
|
finish_allocnos (void)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
finish_allocno (a);
|
|
|
|
|
ira_free (ira_regno_allocno_map);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
VEC_free (ira_object_t, heap, ira_object_id_map_vec);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
VEC_free (ira_allocno_t, heap, allocno_vec);
|
|
|
|
|
free_alloc_pool (allocno_pool);
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
free_alloc_pool (object_pool);
|
2010-06-25 01:30:28 +02:00
|
|
|
|
free_alloc_pool (live_range_pool);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Pools for copies. */
|
|
|
|
|
static alloc_pool copy_pool;
|
|
|
|
|
|
|
|
|
|
/* Vec containing references to all created copies. It is a
|
|
|
|
|
container of array ira_copies. */
|
|
|
|
|
static VEC(ira_copy_t,heap) *copy_vec;
|
|
|
|
|
|
|
|
|
|
/* The function initializes data concerning allocno copies. */
|
|
|
|
|
static void
|
|
|
|
|
initiate_copies (void)
|
|
|
|
|
{
|
|
|
|
|
copy_pool
|
|
|
|
|
= create_alloc_pool ("copies", sizeof (struct ira_allocno_copy), 100);
|
|
|
|
|
copy_vec = VEC_alloc (ira_copy_t, heap, get_max_uid ());
|
|
|
|
|
ira_copies = NULL;
|
|
|
|
|
ira_copies_num = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return copy connecting A1 and A2 and originated from INSN of
|
|
|
|
|
LOOP_TREE_NODE if any. */
|
|
|
|
|
static ira_copy_t
|
|
|
|
|
find_allocno_copy (ira_allocno_t a1, ira_allocno_t a2, rtx insn,
|
|
|
|
|
ira_loop_tree_node_t loop_tree_node)
|
|
|
|
|
{
|
|
|
|
|
ira_copy_t cp, next_cp;
|
|
|
|
|
ira_allocno_t another_a;
|
|
|
|
|
|
|
|
|
|
for (cp = ALLOCNO_COPIES (a1); cp != NULL; cp = next_cp)
|
|
|
|
|
{
|
|
|
|
|
if (cp->first == a1)
|
|
|
|
|
{
|
|
|
|
|
next_cp = cp->next_first_allocno_copy;
|
|
|
|
|
another_a = cp->second;
|
|
|
|
|
}
|
|
|
|
|
else if (cp->second == a1)
|
|
|
|
|
{
|
|
|
|
|
next_cp = cp->next_second_allocno_copy;
|
|
|
|
|
another_a = cp->first;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
if (another_a == a2 && cp->insn == insn
|
|
|
|
|
&& cp->loop_tree_node == loop_tree_node)
|
|
|
|
|
return cp;
|
|
|
|
|
}
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create and return copy with given attributes LOOP_TREE_NODE, FIRST,
|
2008-11-11 00:21:45 +01:00
|
|
|
|
SECOND, FREQ, CONSTRAINT_P, and INSN. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_copy_t
|
2008-11-11 00:21:45 +01:00
|
|
|
|
ira_create_copy (ira_allocno_t first, ira_allocno_t second, int freq,
|
|
|
|
|
bool constraint_p, rtx insn,
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_loop_tree_node_t loop_tree_node)
|
|
|
|
|
{
|
|
|
|
|
ira_copy_t cp;
|
|
|
|
|
|
|
|
|
|
cp = (ira_copy_t) pool_alloc (copy_pool);
|
|
|
|
|
cp->num = ira_copies_num;
|
|
|
|
|
cp->first = first;
|
|
|
|
|
cp->second = second;
|
|
|
|
|
cp->freq = freq;
|
2008-11-11 00:21:45 +01:00
|
|
|
|
cp->constraint_p = constraint_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
cp->insn = insn;
|
|
|
|
|
cp->loop_tree_node = loop_tree_node;
|
|
|
|
|
VEC_safe_push (ira_copy_t, heap, copy_vec, cp);
|
|
|
|
|
ira_copies = VEC_address (ira_copy_t, copy_vec);
|
|
|
|
|
ira_copies_num = VEC_length (ira_copy_t, copy_vec);
|
|
|
|
|
return cp;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Attach a copy CP to allocnos involved into the copy. */
|
|
|
|
|
void
|
|
|
|
|
ira_add_allocno_copy_to_list (ira_copy_t cp)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t first = cp->first, second = cp->second;
|
|
|
|
|
|
|
|
|
|
cp->prev_first_allocno_copy = NULL;
|
|
|
|
|
cp->prev_second_allocno_copy = NULL;
|
|
|
|
|
cp->next_first_allocno_copy = ALLOCNO_COPIES (first);
|
|
|
|
|
if (cp->next_first_allocno_copy != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (cp->next_first_allocno_copy->first == first)
|
|
|
|
|
cp->next_first_allocno_copy->prev_first_allocno_copy = cp;
|
|
|
|
|
else
|
|
|
|
|
cp->next_first_allocno_copy->prev_second_allocno_copy = cp;
|
|
|
|
|
}
|
|
|
|
|
cp->next_second_allocno_copy = ALLOCNO_COPIES (second);
|
|
|
|
|
if (cp->next_second_allocno_copy != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (cp->next_second_allocno_copy->second == second)
|
|
|
|
|
cp->next_second_allocno_copy->prev_second_allocno_copy = cp;
|
|
|
|
|
else
|
|
|
|
|
cp->next_second_allocno_copy->prev_first_allocno_copy = cp;
|
|
|
|
|
}
|
|
|
|
|
ALLOCNO_COPIES (first) = cp;
|
|
|
|
|
ALLOCNO_COPIES (second) = cp;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Make a copy CP a canonical copy where number of the
|
|
|
|
|
first allocno is less than the second one. */
|
|
|
|
|
void
|
|
|
|
|
ira_swap_allocno_copy_ends_if_necessary (ira_copy_t cp)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t temp;
|
|
|
|
|
ira_copy_t temp_cp;
|
|
|
|
|
|
|
|
|
|
if (ALLOCNO_NUM (cp->first) <= ALLOCNO_NUM (cp->second))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
temp = cp->first;
|
|
|
|
|
cp->first = cp->second;
|
|
|
|
|
cp->second = temp;
|
|
|
|
|
|
|
|
|
|
temp_cp = cp->prev_first_allocno_copy;
|
|
|
|
|
cp->prev_first_allocno_copy = cp->prev_second_allocno_copy;
|
|
|
|
|
cp->prev_second_allocno_copy = temp_cp;
|
|
|
|
|
|
|
|
|
|
temp_cp = cp->next_first_allocno_copy;
|
|
|
|
|
cp->next_first_allocno_copy = cp->next_second_allocno_copy;
|
|
|
|
|
cp->next_second_allocno_copy = temp_cp;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create (or update frequency if the copy already exists) and return
|
|
|
|
|
the copy of allocnos FIRST and SECOND with frequency FREQ
|
|
|
|
|
corresponding to move insn INSN (if any) and originated from
|
|
|
|
|
LOOP_TREE_NODE. */
|
|
|
|
|
ira_copy_t
|
|
|
|
|
ira_add_allocno_copy (ira_allocno_t first, ira_allocno_t second, int freq,
|
2008-11-11 00:21:45 +01:00
|
|
|
|
bool constraint_p, rtx insn,
|
|
|
|
|
ira_loop_tree_node_t loop_tree_node)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
ira_copy_t cp;
|
|
|
|
|
|
|
|
|
|
if ((cp = find_allocno_copy (first, second, insn, loop_tree_node)) != NULL)
|
|
|
|
|
{
|
|
|
|
|
cp->freq += freq;
|
|
|
|
|
return cp;
|
|
|
|
|
}
|
2008-11-11 00:21:45 +01:00
|
|
|
|
cp = ira_create_copy (first, second, freq, constraint_p, insn,
|
|
|
|
|
loop_tree_node);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_assert (first != NULL && second != NULL);
|
|
|
|
|
ira_add_allocno_copy_to_list (cp);
|
|
|
|
|
ira_swap_allocno_copy_ends_if_necessary (cp);
|
|
|
|
|
return cp;
|
|
|
|
|
}
|
|
|
|
|
|
2008-09-05 01:35:03 +02:00
|
|
|
|
/* Print info about copy CP into file F. */
|
|
|
|
|
static void
|
|
|
|
|
print_copy (FILE *f, ira_copy_t cp)
|
|
|
|
|
{
|
2008-11-11 00:21:45 +01:00
|
|
|
|
fprintf (f, " cp%d:a%d(r%d)<->a%d(r%d)@%d:%s\n", cp->num,
|
2008-09-05 01:35:03 +02:00
|
|
|
|
ALLOCNO_NUM (cp->first), ALLOCNO_REGNO (cp->first),
|
2008-11-11 00:21:45 +01:00
|
|
|
|
ALLOCNO_NUM (cp->second), ALLOCNO_REGNO (cp->second), cp->freq,
|
|
|
|
|
cp->insn != NULL
|
|
|
|
|
? "move" : cp->constraint_p ? "constraint" : "shuffle");
|
2008-09-05 01:35:03 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print info about copy CP into stderr. */
|
|
|
|
|
void
|
|
|
|
|
ira_debug_copy (ira_copy_t cp)
|
|
|
|
|
{
|
|
|
|
|
print_copy (stderr, cp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print info about all copies into file F. */
|
|
|
|
|
static void
|
|
|
|
|
print_copies (FILE *f)
|
|
|
|
|
{
|
|
|
|
|
ira_copy_t cp;
|
|
|
|
|
ira_copy_iterator ci;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_COPY (cp, ci)
|
|
|
|
|
print_copy (f, cp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print info about all copies into stderr. */
|
|
|
|
|
void
|
|
|
|
|
ira_debug_copies (void)
|
|
|
|
|
{
|
|
|
|
|
print_copies (stderr);
|
|
|
|
|
}
|
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Print info about copies involving allocno A into file F. */
|
|
|
|
|
static void
|
|
|
|
|
print_allocno_copies (FILE *f, ira_allocno_t a)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t another_a;
|
|
|
|
|
ira_copy_t cp, next_cp;
|
|
|
|
|
|
|
|
|
|
fprintf (f, " a%d(r%d):", ALLOCNO_NUM (a), ALLOCNO_REGNO (a));
|
|
|
|
|
for (cp = ALLOCNO_COPIES (a); cp != NULL; cp = next_cp)
|
|
|
|
|
{
|
|
|
|
|
if (cp->first == a)
|
|
|
|
|
{
|
|
|
|
|
next_cp = cp->next_first_allocno_copy;
|
|
|
|
|
another_a = cp->second;
|
|
|
|
|
}
|
|
|
|
|
else if (cp->second == a)
|
|
|
|
|
{
|
|
|
|
|
next_cp = cp->next_second_allocno_copy;
|
|
|
|
|
another_a = cp->first;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
fprintf (f, " cp%d:a%d(r%d)@%d", cp->num,
|
|
|
|
|
ALLOCNO_NUM (another_a), ALLOCNO_REGNO (another_a), cp->freq);
|
|
|
|
|
}
|
|
|
|
|
fprintf (f, "\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print info about copies involving allocno A into stderr. */
|
|
|
|
|
void
|
|
|
|
|
ira_debug_allocno_copies (ira_allocno_t a)
|
|
|
|
|
{
|
|
|
|
|
print_allocno_copies (stderr, a);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* The function frees memory allocated for copy CP. */
|
|
|
|
|
static void
|
|
|
|
|
finish_copy (ira_copy_t cp)
|
|
|
|
|
{
|
|
|
|
|
pool_free (copy_pool, cp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Free memory allocated for all copies. */
|
|
|
|
|
static void
|
|
|
|
|
finish_copies (void)
|
|
|
|
|
{
|
|
|
|
|
ira_copy_t cp;
|
|
|
|
|
ira_copy_iterator ci;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_COPY (cp, ci)
|
|
|
|
|
finish_copy (cp);
|
|
|
|
|
VEC_free (ira_copy_t, heap, copy_vec);
|
|
|
|
|
free_alloc_pool (copy_pool);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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/* Pools for cost vectors. It is defined only for allocno classes. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static alloc_pool cost_vector_pool[N_REG_CLASSES];
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/* The function initiates work with hard register cost vectors. It
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
creates allocation pool for each allocno class. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static void
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initiate_cost_vectors (void)
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{
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int i;
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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for (i = 0; i < ira_allocno_classes_num; i++)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ira_allocno_classes[i];
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cost_vector_pool[aclass]
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
|
= create_alloc_pool ("cost vectors",
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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sizeof (int) * ira_class_hard_regs_num[aclass],
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
100);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
/* Allocate and return a cost vector VEC for ACLASS. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
int *
|
2011-05-01 14:33:13 +02:00
|
|
|
|
ira_allocate_cost_vector (reg_class_t aclass)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2011-05-01 14:33:13 +02:00
|
|
|
|
return (int *) pool_alloc (cost_vector_pool[(int) aclass]);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
/* Free a cost vector VEC for ACLASS. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
void
|
2011-05-01 14:33:13 +02:00
|
|
|
|
ira_free_cost_vector (int *vec, reg_class_t aclass)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
ira_assert (vec != NULL);
|
2011-05-01 14:33:13 +02:00
|
|
|
|
pool_free (cost_vector_pool[(int) aclass], vec);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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/* Finish work with hard register cost vectors. Release allocation
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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pool for each allocno class. */
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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static void
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finish_cost_vectors (void)
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int i;
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
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|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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for (i = 0; i < ira_allocno_classes_num; i++)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = ira_allocno_classes[i];
|
|
|
|
|
free_alloc_pool (cost_vector_pool[aclass]);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The current loop tree node and its regno allocno map. */
|
|
|
|
|
ira_loop_tree_node_t ira_curr_loop_tree_node;
|
|
|
|
|
ira_allocno_t *ira_curr_regno_allocno_map;
|
|
|
|
|
|
|
|
|
|
/* This recursive function traverses loop tree with root LOOP_NODE
|
|
|
|
|
calling non-null functions PREORDER_FUNC and POSTORDER_FUNC
|
|
|
|
|
correspondingly in preorder and postorder. The function sets up
|
|
|
|
|
IRA_CURR_LOOP_TREE_NODE and IRA_CURR_REGNO_ALLOCNO_MAP. If BB_P,
|
|
|
|
|
basic block nodes of LOOP_NODE is also processed (before its
|
|
|
|
|
subloop nodes). */
|
|
|
|
|
void
|
|
|
|
|
ira_traverse_loop_tree (bool bb_p, ira_loop_tree_node_t loop_node,
|
|
|
|
|
void (*preorder_func) (ira_loop_tree_node_t),
|
|
|
|
|
void (*postorder_func) (ira_loop_tree_node_t))
|
|
|
|
|
{
|
|
|
|
|
ira_loop_tree_node_t subloop_node;
|
|
|
|
|
|
|
|
|
|
ira_assert (loop_node->bb == NULL);
|
|
|
|
|
ira_curr_loop_tree_node = loop_node;
|
|
|
|
|
ira_curr_regno_allocno_map = ira_curr_loop_tree_node->regno_allocno_map;
|
|
|
|
|
|
|
|
|
|
if (preorder_func != NULL)
|
|
|
|
|
(*preorder_func) (loop_node);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (bb_p)
|
|
|
|
|
for (subloop_node = loop_node->children;
|
|
|
|
|
subloop_node != NULL;
|
|
|
|
|
subloop_node = subloop_node->next)
|
|
|
|
|
if (subloop_node->bb != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (preorder_func != NULL)
|
|
|
|
|
(*preorder_func) (subloop_node);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (postorder_func != NULL)
|
|
|
|
|
(*postorder_func) (subloop_node);
|
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
for (subloop_node = loop_node->subloops;
|
|
|
|
|
subloop_node != NULL;
|
|
|
|
|
subloop_node = subloop_node->subloop_next)
|
|
|
|
|
{
|
|
|
|
|
ira_assert (subloop_node->bb == NULL);
|
|
|
|
|
ira_traverse_loop_tree (bb_p, subloop_node,
|
|
|
|
|
preorder_func, postorder_func);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ira_curr_loop_tree_node = loop_node;
|
|
|
|
|
ira_curr_regno_allocno_map = ira_curr_loop_tree_node->regno_allocno_map;
|
|
|
|
|
|
|
|
|
|
if (postorder_func != NULL)
|
|
|
|
|
(*postorder_func) (loop_node);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The basic block currently being processed. */
|
|
|
|
|
static basic_block curr_bb;
|
|
|
|
|
|
|
|
|
|
/* This recursive function creates allocnos corresponding to
|
|
|
|
|
pseudo-registers containing in X. True OUTPUT_P means that X is
|
|
|
|
|
a lvalue. */
|
|
|
|
|
static void
|
|
|
|
|
create_insn_allocnos (rtx x, bool output_p)
|
|
|
|
|
{
|
|
|
|
|
int i, j;
|
|
|
|
|
const char *fmt;
|
|
|
|
|
enum rtx_code code = GET_CODE (x);
|
|
|
|
|
|
|
|
|
|
if (code == REG)
|
|
|
|
|
{
|
|
|
|
|
int regno;
|
|
|
|
|
|
|
|
|
|
if ((regno = REGNO (x)) >= FIRST_PSEUDO_REGISTER)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
|
|
|
|
|
if ((a = ira_curr_regno_allocno_map[regno]) == NULL)
|
|
|
|
|
a = ira_create_allocno (regno, false, ira_curr_loop_tree_node);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_NREFS (a)++;
|
|
|
|
|
ALLOCNO_FREQ (a) += REG_FREQ_FROM_BB (curr_bb);
|
|
|
|
|
if (output_p)
|
|
|
|
|
bitmap_set_bit (ira_curr_loop_tree_node->modified_regnos, regno);
|
|
|
|
|
}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
else if (code == SET)
|
|
|
|
|
{
|
|
|
|
|
create_insn_allocnos (SET_DEST (x), true);
|
|
|
|
|
create_insn_allocnos (SET_SRC (x), false);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
else if (code == CLOBBER)
|
|
|
|
|
{
|
|
|
|
|
create_insn_allocnos (XEXP (x, 0), true);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
else if (code == MEM)
|
|
|
|
|
{
|
|
|
|
|
create_insn_allocnos (XEXP (x, 0), false);
|
|
|
|
|
return;
|
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
else if (code == PRE_DEC || code == POST_DEC || code == PRE_INC ||
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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code == POST_INC || code == POST_MODIFY || code == PRE_MODIFY)
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{
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create_insn_allocnos (XEXP (x, 0), true);
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create_insn_allocnos (XEXP (x, 0), false);
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return;
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}
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fmt = GET_RTX_FORMAT (code);
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for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
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{
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if (fmt[i] == 'e')
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create_insn_allocnos (XEXP (x, i), output_p);
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else if (fmt[i] == 'E')
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for (j = 0; j < XVECLEN (x, i); j++)
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create_insn_allocnos (XVECEXP (x, i, j), output_p);
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}
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}
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/* Create allocnos corresponding to pseudo-registers living in the
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basic block represented by the corresponding loop tree node
|
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BB_NODE. */
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static void
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create_bb_allocnos (ira_loop_tree_node_t bb_node)
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{
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basic_block bb;
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rtx insn;
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unsigned int i;
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bitmap_iterator bi;
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curr_bb = bb = bb_node->bb;
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ira_assert (bb != NULL);
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2008-09-04 20:47:35 +02:00
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FOR_BB_INSNS_REVERSE (bb, insn)
|
invoke.texi (-fvar-tracking-assignments): New.
gcc/ChangeLog:
* doc/invoke.texi (-fvar-tracking-assignments): New.
(-fvar-tracking-assignments-toggle): New.
(-fdump-final-insns=file): Mark filename as optional.
(--param min-nondebug-insn-uid): New.
(-gdwarf-@{version}): Mention version 4.
* opts.c (common_handle_option): Accept it.
* tree-vrp.c (find_assert_locations_1): Skip debug stmts.
* regrename.c (regrename_optimize): Drop last. Don't count debug
insns as uses. Don't reject change because of debug insn.
(do_replace): Reject DEBUG_INSN as chain starter. Take base_regno
from the chain starter, and check for inexact matches in
DEBUG_INSNS.
(scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
(build_def_use): Simplify and fix the marking of DEBUG_INSNs.
* sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
* fwprop.c (forward_propagate_and_simplify): ...into debug insns.
* doc/gimple.texi (is_gimple_debug): New.
(gimple_debug_bind_p): New.
(is_gimple_call, gimple_assign_cast_p): End sentence with period.
* doc/install.texi (bootstrap-debug): More details.
(bootstrap-debug-big, bootstrap-debug-lean): Document.
(bootstrap-debug-lib): More details.
(bootstrap-debug-ckovw): Update.
(bootstrap-time): New.
* tree-into-ssa.c (mark_def_sites): Skip debug stmts.
(insert_phi_nodes_for): Insert debug stmts.
(rewrite_stmt): Take iterator. Insert debug stmts.
(rewrite_enter_block): Adjust.
(maybe_replace_use_in_debug_stmt): New.
(rewrite_update_stmt): Use it.
(mark_use_interesting): Return early for debug stmts.
* tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
stmts before replacing stmt.
(move_computations_stmt): Likewise.
* ira-conflicts.c (add_copies): Skip debug insns.
* regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
(regstat_bb_compute_ri): Skip debug insns.
* tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
check_loop_closed_ssa_stmt): Skip debug stmts.
* tree-tailcall.c (find_tail_calls): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
* tree.h (MAY_HAVE_DEBUG_STMTS): New.
(build_var_debug_value_stat): Declare.
(build_var_debug_value): Define.
(target_for_debug_bind): Declare.
* reload.c (find_equiv_reg): Skip debug insns.
* rtlanal.c (reg_used_between_p): Skip debug insns.
(side_effects_p): Likewise.
(canonicalize_condition): Likewise.
* ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
insns never depend on debug insns.
(create_ddg_dep_no_link): Likewise.
(add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
Don't add inter-loop dependencies for debug insns.
(build_intra_loop_deps): Likewise.
(create_ddg): Count debug insns.
* ddg.h (struct ddg::num_debug): New.
(num_backargs): Pair up with previous int field.
* diagnostic.c (diagnostic_report_diagnostic): Skip notes on
-fcompare-debug-second.
* final.c (get_attr_length_1): Skip debug insns.
(rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
* gcc.c (invoke_as): Call compare-debug-dump-opt.
(driver_self_specs): Map -fdump-final-insns to
-fdump-final-insns=..
(get_local_tick): New.
(compare_debug_dump_opt_spec_function): Test for . argument and
compute output name. Compute temp output spec without flag name.
Compute -frandom-seed.
(OPT): Undef after use.
* cfgloopanal.c (num_loop_insns): Skip debug insns.
(average_num_loop_insns): Likewise.
* params.h (MIN_NONDEBUG_INSN_UID): New.
* gimple.def (GIMPLE_DEBUG): New.
* ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
* auto-inc-dec.c (merge_in_block): Skip debug insns.
(merge_in_block): Fix whitespace.
* toplev.c (flag_var_tracking): Update comment.
(flag_var_tracking_assignments): New.
(flag_var_tracking_assignments_toggle): New.
(process_options): Don't open final insns dump file if we're not
going to write to it. Compute defaults for var_tracking.
* df-scan.c (df_insn_rescan_debug_internal): New.
(df_uses_record): Handle debug insns.
* haifa-sched.c (ready): Initialize n_debug.
(contributes_to_priority): Skip debug insns.
(dep_list_size): New.
(priority): Use it.
(rank_for_schedule): Likewise. Schedule debug insns as soon as
they're ready. Disregard previous debug insns to make decisions.
(queue_insn): Never queue debug insns.
(ready_add, ready_remove_first, ready_remove): Count debug insns.
(schedule_insn): Don't reject debug insns because of issue rate.
(get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
(queue_to_ready): Skip and discount debug insns.
(choose_ready): Let debug insns through.
(schedule_block): Check boundary debug insns. Discount debug
insns, schedule them early. Adjust whitespace.
(set_priorities): Check for boundary debug insns.
(add_jump_dependencies): Use dep_list_size.
(prev_non_location_insn): New.
(check_cfg): Use it.
* tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
stmts.
(remove_unused_ivs): Reset debug stmts.
* modulo-sched.c (const_iteration_count): Skip debug insns.
(res_MII): Discount debug insns.
(loop_single_full_bb_p): Skip debug insns.
(sms_schedule): Likewise.
(sms_schedule_by_order): Likewise.
(ps_has_conflicts): Likewise.
* caller-save.c (refmarker_fn): New.
(save_call_clobbered_regs): Replace regs with saved mem in
debug insns.
(mark_referenced_regs): Take pointer, mark and arg. Adjust.
Call refmarker_fn mark for hardregnos.
(mark_reg_as_referenced): New.
(replace_reg_with_saved_mem): New.
* ipa-pure-const.c (check_stmt): Skip debug stmts.
* cse.c (cse_insn): Canonicalize debug insns. Skip them when
searching back.
(cse_extended_basic_block): Skip debug insns.
(count_reg_usage): Likewise.
(is_dead_reg): New, split out of...
(set_live_p): ... here.
(insn_live_p): Use it for debug insns.
* tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
(execute_optimize_stdarg): Likewise.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
* tree-ssa-propagate.c (substitute_and_fold): Don't regard
changes in debug stmts as changes.
* sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
(moveup_expr): Don't move across debug insns. Don't move
debug insn if it would create a bookkeeping block.
(moveup_expr_cached): Don't use cache for debug insns that
are heads of blocks.
(compute_av_set_inside_bb): Skip debug insns.
(sel_rank_for_schedule): Schedule debug insns first. Remove
dead code.
(block_valid_for_bookkeeping_p); Support lax searches.
(create_block_for_bookkeeping): Adjust block numbers when
encountering debug-only blocks.
(find_place_for_bookkeeping): Deal with debug-only blocks.
(generate_bookkeeping_insn): Accept no place to insert.
(remove_temp_moveop_nops): New argument full_tidying.
(prepare_place_to_insert): Deal with debug insns.
(advance_state_on_fence): Debug insns don't start cycles.
(update_boundaries): Take fence as argument. Deal with
debug insns.
(schedule_expr_on_boundary): No full_tidying on debug insns.
(fill_insns): Deal with debug insns.
(track_scheduled_insns_and_blocks): Don't count debug insns.
(need_nop_to_preserve_insn_bb): New, split out of...
(remove_insn_from_stream): ... this.
(fur_orig_expr_not_found): Skip debug insns.
* rtl.def (VALUE): Move up.
(DEBUG_INSN): New.
* tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug
stmts.
(nearest_common_dominator_of_uses): Take debug_stmts argument.
Set it if debug stmts are found.
(statement_sink_location): Skip debug stmts. Propagate
moving defs into debug stmts.
* ifcvt.c (first_active_insn): Skip debug insns.
(last_active_insns): Likewise.
(cond_exec_process_insns): Likewise.
(noce_process_if_block): Likewise.
(check_cond_move_block): Likewise.
(cond_move_convert_if_block): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(dead_or_predicable): Likewise.
* dwarf2out.c (debug_str_hash_forced): New.
(find_AT_string): Add comment.
(gen_label_for_indirect_string): New.
(get_debug_string_label): New.
(AT_string_form): Use it.
(mem_loc_descriptor): Handle non-TLS symbols. Handle MINUS , DIV,
MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING. Accept but
discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
several operations that cannot be represented with DWARF opcodes.
(loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND. Require
dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
(dwarf2out_var_location): Take during-call mark into account.
(output_indirect_string): Update comment. Output if there are
label and references.
(prune_indirect_string): New.
(prune_unused_types): Call it if debug_str_hash_forced.
More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
(dw_long_long_const): Remove.
(struct dw_val_struct): Change val_long_long type to rtx.
(print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
(output_die): Likewise. Use HOST_BITS_PER_WIDE_INT size of each
component instead of HOST_BITS_PER_LONG.
(output_loc_operands): Likewise. For const8* assert
HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
(output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
rather than HOST_BITS_PER_LONG is >= 64.
(add_AT_long_long): Remove val_hi and val_lo arguments, add
val_const_double.
(size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
HOST_BITS_PER_LONG for dw_val_class_long_long.
(add_const_value_attribute): Adjust add_AT_long_long caller. Don't
handle TLS SYMBOL_REFs. If CONST wraps a constant, tail recurse.
(dwarf_stack_op_name): Handle DW_OP_implicit_value and
DW_OP_stack_value.
(size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
Handle DW_OP_implicit_value.
(extract_int): Move prototype earlier.
(mem_loc_descriptor): For SUBREG punt if inner
mode size is wider than DWARF2_ADDR_SIZE. Handle SIGN_EXTEND
and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}. Handle
EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
(loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
instead of Pmode size.
(loc_descriptor): Add MODE argument. Handle CONST_INT, CONST_DOUBLE,
CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
attempt to handle other expressions. Don't handle TLS SYMBOL_REFs.
(concat_loc_descriptor, concatn_loc_descriptor,
loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
(add_location_or_const_value_attribute): Likewise. For single
location loc_lists attempt to use add_const_value_attribute
for constant decls. Add DW_AT_const_value even if
NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
in its expression.
* cfgbuild.c (inside_basic_block_p): Handle debug insns.
(control_flow_insn_p): Likewise.
* tree-parloops.c (eliminate_local_variables_stmt): Handle debug
stmt.
(separate_decls_in_region_debug_bind): New.
(separate_decls_in_region): Process debug bind stmts afterwards.
* recog.c (verify_changes): Handle debug insns.
(extract_insn): Likewise.
(peephole2_optimize): Skip debug insns.
* dse.c (scan_insn): Skip debug insns.
* sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
Pass it on.
(setup_id_for_insn): Handle debug insns.
(maybe_tidy_empty_bb): Adjust whitespace.
(tidy_control_flow): Skip debug insns.
(sel_remove_insn): Adjust for debug insns.
(sel_estimate_number_of_insns): Skip debug insns.
(create_insn_rtx_from_pattern): Handle debug insns.
(create_copy_of_insn_rtx): Likewise.
* sel-sched-.h (sel_bb_end): Declare.
(sel_bb_empty_or_nop_p): New.
(get_all_loop_exits): Use it.
(_eligible_successor_edge_p): Likewise.
(return_nop_to_pool): Adjust.
* tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
* ira-lives.c (process_bb_node_lives): Skip debug insns.
* gimple-pretty-print.c (dump_gimple_debug): New.
(dump_gimple_stmt): Use it.
(dump_bb_header): Skip gimple debug stmts.
* regmove.c (optimize_reg_copy_1): Discount debug insns.
(fixup_match_2): Likewise.
(regmove_backward_pass): Likewise. Simplify combined
replacement. Handle debug insns.
* function.c (instantiate_virtual_regs): Handle debug insns.
* function.h (struct emit_status): Add x_cur_debug_insn_uid.
* print-rtl.h: Include cselib.h.
(print_rtx): Print VALUEs. Split out and recurse for
VAR_LOCATIONs.
* df.h (df_inns_rescan_debug_internal): Declare.
* gcse.c (alloc_hash_table): Estimate n_insns.
(cprop_insn): Don't regard debug insns as changes.
(bypass_conditional_jumps): Skip debug insns.
(one_pre_gcse_pass): Adjust.
(one_code_hoisting_pass): Likewise.
(compute_ld_motion_mems): Skip debug insns.
(one_cprop_pass): Adjust.
* tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
(if_convertible_stmt_p): Handle debug stmts.
* init-regs.c (initialize_uninitialized_regs): Skip debug insns.
* tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
* ira-build.c (create_bb_allocnos): Skip debug insns.
* tree-flow-inline.h (has_zero_uses): Discount debug stmts.
(has_single_use): Likewise.
(single_imm_use): Likewise.
(num_imm_uses): Likewise.
* tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
* tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
(create_outofssa_var_map): Likewise.
* lower-subreg.c (adjust_decomposed_uses): New.
(resolve_debug): New.
(decompose_multiword_subregs): Use it.
* tree-dfa.c (find_referenced_vars): Skip debug stmts.
* emit-rtl.c: Include params.h.
(cur_debug_insn_uid): Define.
(set_new_first_and_last_insn): Set cur_debug_insn_uid too.
(copy_rtx_if_shared_1): Handle debug insns.
(reset_used_flags): Likewise.
(set_used_flags): LIkewise.
(get_max_insn_count): New.
(next_nondebug_insn): New.
(prev_nondebug_insn): New.
(make_debug_insn_raw): New.
(emit_insn_before_noloc): Handle debug insns.
(emit_jump_insn_before_noloc): Likewise.
(emit_call_insn_before_noloc): Likewise.
(emit_debug_insn_before_noloc): New.
(emit_insn_after_noloc): Handle debug insns.
(emit_jump_insn_after_noloc): Likewise.
(emit_call_insn_after_noloc): Likewise.
(emit_debug_insn_after_noloc): Likewise.
(emit_insn_after): Take loc from earlier non-debug insn.
(emit_jump_insn_after): Likewise.
(emit_call_insn_after): Likewise.
(emit_debug_insn_after_setloc): New.
(emit_debug_insn_after): New.
(emit_insn_before): Take loc from later non-debug insn.
(emit_jump_insn_before): Likewise.
(emit_call_insn_before): Likewise.
(emit_debug_insn_before_setloc): New.
(emit_debug_insn_before): New.
(emit_insn): Handle debug insns.
(emit_debug_insn): New.
(emit_jump_insn): Handle debug insns.
(emit_call_insn): Likewise.
(emit): Likewise.
(init_emit): Take min-nondebug-insn-uid into account.
Initialize cur_debug_insn_uid.
(emit_copy_of_insn_after): Handle debug insns.
* cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
location of single rhs in place.
(maybe_dump_rtl_for_gimple_stmt): Dump lineno.
(floor_sdiv_adjust): New.
(cell_sdiv_adjust): New.
(cell_udiv_adjust): New.
(round_sdiv_adjust): New.
(round_udiv_adjust): New.
(wrap_constant): Moved from cselib.
(unwrap_constant): New.
(expand_debug_expr): New.
(expand_debug_locations): New.
(expand_gimple_basic_block): Drop hiding redeclaration. Expand
debug bind stmts.
(gimple_expand_cfg): Expand debug locations.
* cselib.c: Include tree-pass.h.
(struct expand_value_data): New.
(cselib_record_sets_hook): New.
(PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
(cselib_clear_table): Move, and implemnet in terms of...
(cselib_reset_table_with_next_value): ... this.
(cselib_get_next_unknown_value): New.
(discard_useless_locs): Don't discard preserved values.
(cselib_preserve_value): New.
(cselib_preserved_value_p): New.
(cselib_preserve_definitely): New.
(cselib_clear_preserve): New.
(cselib_preserve_only_values): New.
(new_cselib_val): Take rtx argument. Dump it in details.
(cselib_lookup_mem): Adjust.
(expand_loc): Take regs_active in struct. Adjust. Silence
dumps unless details are requested.
(cselib_expand_value_rtx_cb): New.
(cselib_expand_value_rtx): Rename and reimplment in terms of...
(cselib_expand_value_rtx_1): ... this. Adjust. Silence dumps
without details. Copy more subregs. Try to resolve values
using a callback. Wrap constants.
(cselib_subst_to_values): Adjust.
(cselib_log_lookup): New.
(cselib_lookup): Call it.
(cselib_invalidate_regno): Don't count preserved values as
useless.
(cselib_invalidate_mem): Likewise.
(cselib_record_set): Likewise.
(struct set): Renamed to cselib_set, moved to cselib.h.
(cselib_record_sets): Adjust. Call hook.
(cselib_process_insn): Reset table when it would be cleared.
(dump_cselib_val): New.
(dump_cselib_table): New.
* tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
(remove_forwarder_block): Support moving debug stmts.
* cselib.h (cselib_record_sets_hook): Declare.
(cselib_expand_callback): New type.
(cselib_expand_value_rtx_cb): Declare.
(cselib_reset_table_with_next_value): Declare.
(cselib_get_next_unknown_value): Declare.
(cselib_preserve_value): Declare.
(cselib_preserved_value_p): Declare.
(cselib_preserve_only_values): Declare.
(dump_cselib_table): Declare.
* cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
(try_crossjump_to_edge): Likewise.
(delete_unreachable_blocks): Remove dominant GIMPLE blocks after
dominated blocks when debug stmts are present.
* simplify-rtx.c (delegitimize_mem_from_attrs): New.
* tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
(set_var_live_on_entry): Likewise.
* loop-invariant.c (find_invariants_bb): Skip debug insns.
* cfglayout.c (curr_location, last_location): Make static.
(set_curr_insn_source_location): Don't avoid bouncing.
(get_curr_insn_source_location): New.
(get_curr_insn_block): New.
(duplicate_insn_chain): Handle debug insns.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
into debug stmts.
* common.opt (fcompare-debug): Move to sort order.
(fdump-unnumbered-links): Likewise.
(fvar-tracking-assignments): New.
(fvar-tracking-assignments-toggle): New.
* tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
because of debug stmts.
(mark_stmt_if_obviously_necessary): Mark debug stmts.
(eliminate_unnecessary_stmts): Walk dominated blocks before
dominators.
* tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
* ira.c (memref_used_between_p): Skip debug insns.
(update_equiv_regs): Likewise.
* sched-deps.c (sd_lists_size): Accept empty list.
(sd_init_insn): Mark debug insns.
(sd_finish_insn): Unmark them.
(sd_add_dep): Reject non-debug deps on debug insns.
(fixup_sched_groups): Give debug insns group treatment.
Skip debug insns.
(sched_analyze_reg): Don't mark debug insns for sched before call.
(sched_analyze_2): Handle debug insns.
(sched_analyze_insn): Compute next non-debug insn. Handle debug
insns.
(deps_analyze_insn): Handle debug insns.
(deps_start_bb): Skip debug insns.
(init_deps): Initialize last_debug_insn.
* tree-ssa.c (target_for_debug_bind): New.
(find_released_ssa_name): New.
(propagate_var_def_into_debug_stmts): New.
(propagate_defs_into_debug_stmts): New.
(verify_ssa): Skip debug bind stmts without values.
(warn_uninialized_vars): Skip debug stmts.
* target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
* rtl.c (rtx_equal_p_cb): Handle VALUEs.
(rtx_equal_p): Likewise.
* ira-costs.c (scan_one_insn): Skip debug insns.
(process_bb_node_for_hard_reg_moves): Likewise.
* rtl.h (DEBUG_INSN_P): New.
(NONDEBUG_INSN_P): New.
(MAY_HAVE_DEBUG_INSNS): New.
(INSN_P): Accept debug insns.
(RTX_FRAME_RELATED_P): Likewise.
(INSN_DELETED_P): Likewise
(PAT_VAR_LOCATION_DECL): New.
(PAT_VAR_LOCATION_LOC): New.
(PAT_VAR_OCATION_STATUS): New.
(NOTE_VAR_LOCATION_DECL): Reimplement.
(NOTE_VAR_LOCATION_LOC): Likewise.
(NOTE_VAR_LOCATION_STATUS): Likewise.
(INSN_VAR_LOCATION): New.
(INSN_VAR_LOCATION_DECL): New.
(INSN_VAR_LOCATION_LOC): New.
(INSN_VAR_LOCATION_STATUS): New.
(gen_rtx_UNKNOWN_VAR_LOC): New.
(VAR_LOC_UNKNOWN_P): New.
(NOTE_DURING_CALL_P): New.
(SCHED_GROUP_P): Accept debug insns.
(emit_debug_insn_before): Declare.
(emit_debug_insn_before_noloc): Declare.
(emit_debug_insn_beore_setloc): Declare.
(emit_debug_insn_after): Declare.
(emit_debug_insn_after_noloc): Declare.
(emit_debug_insn_after_setloc): Declare.
(emit_debug_insn): Declare.
(make_debug_insn_raw): Declare.
(prev_nondebug_insn): Declare.
(next_nondebug_insn): Declare.
(delegitimize_mem_from_attrs): Declare.
(get_max_insn_count): Declare.
(wrap_constant): Declare.
(unwrap_constant): Declare.
(get_curr_insn_source_location): Declare.
(get_curr_insn_block): Declare.
* tree-inline.c (insert_debug_decl_map): New.
(processing_debug_stmt): New.
(remap_decl): Don't create new mappings in debug stmts.
(remap_gimple_op_r): Don't add references in debug stmts.
(copy_tree_body_r): Likewise.
(remap_gimple_stmt): Handle debug bind stmts.
(copy_bb): Skip debug stmts.
(copy_edges_for_bb): Likewise.
(copy_debug_stmt): New.
(copy_debug_stmts): New.
(copy_body): Copy debug stmts at the end.
(insert_init_debug_bind): New.
(insert_init_stmt): Take id. Skip and emit debug stmts.
(setup_one_parameter): Remap variable earlier, register debug
mapping.
(estimate_num_insns): Skip debug stmts.
(expand_call_inline): Preserve debug_map.
(optimize_inline_calls): Check for no debug_stmts left-overs.
(unsave_expr_now): Preserve debug_map.
(copy_gimple_seq_and_replace_locals): Likewise.
(tree_function_versioning): Check for no debug_stmts left-overs.
Init and destroy debug_map as needed. Split edges unconditionally.
(build_duplicate_type): Init and destroy debug_map as needed.
* tree-inline.h: Include gimple.h instead of pointer-set.h.
(struct copy_body_data): Add debug_stmts and debug_map.
* sched-int.h (struct ready_list): Add n_debug.
(struct deps): Add last_debug_insn.
(DEBUG_INSN_SCHED_P): New.
(BOUNDARY_DEBUG_INSN_P): New.
(SCHEDULE_DEBUG_INSN_P): New.
(sd_iterator_cond): Accept empty list.
* combine.c (create_log_links): Skip debug insns.
(combine_instructions): Likewise.
(cleanup_auto_inc_dec): New. From Jakub Jelinek: Make sure the
return value is always unshared.
(struct rtx_subst_pair): New.
(auto_adjust_pair): New.
(propagate_for_debug_subst): New.
(propagate_for_debug): New.
(try_combine): Skip debug insns. Propagate removed defs into
debug insns.
(next_nonnote_nondebug_insn): New.
(distribute_notes): Use it. Skip debug insns.
(distribute_links): Skip debug insns.
* tree-outof-ssa.c (set_location_for_edge): Likewise.
* resource.c (mark_target_live_regs): Likewise.
* var-tracking.c: Include cselib.h and target.h.
(enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
MO_VAL_SET.
(micro_operation_type_name): New.
(enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
(struct micro_operation_def): Update comments.
(decl_or_value): New type. Use instead of decls.
(struct emit_note_data_def): Add vars.
(struct attrs_def): Use decl_or_value.
(struct variable_tracking_info_def): Add permp, flooded.
(struct location_chain_def): Update comment.
(struct variable_part_def): Use decl_or_value.
(struct variable_def): Make var_part a variable length array.
(valvar_pool): New.
(scratch_regs): New.
(cselib_hook_called): New.
(dv_is_decl_p): New.
(dv_is_value_p): New.
(dv_as_decl): New.
(dv_as_value): New.
(dv_as_opaque): New.
(dv_onepart_p): New.
(dv_pool): New.
(IS_DECL_CODE): New.
(check_value_is_not_decl): New.
(dv_from_decl): New.
(dv_from_value): New.
(dv_htab_hash): New.
(variable_htab_hash): Use it.
(variable_htab_eq): Support values.
(variable_htab_free): Free from the right pool.
(attrs_list_member, attrs_list_insert): Use decl_or_value.
(attrs_list_union): Adjust.
(attrs_list_mpdv_union): New.
(tie_break_pointers): New.
(canon_value_cmp): New.
(unshare_variable): Return possibly-modified slot.
(vars_copy_1): Adjust.
(var_reg_decl_set): Adjust. Split out of...
(var_reg_set): ... this.
(get_init_value): Adjust.
(var_reg_delete_and_set): Adjust.
(var_reg_delete): Adjust.
(var_regno_delete): Adjust.
(var_mem_decl_set): Split out of...
(var_mem_set): ... this.
(var_mem_delete_and_set): Adjust.
(var_mem_delete): Adjust.
(val_store): New.
(val_reset): New.
(val_resolve): New.
(variable_union): Adjust. Speed up merge of 1-part vars.
(variable_canonicalize): Use unshared slot.
(VALUED_RECURSED_INTO): New.
(find_loc_in_1pdv): New.
(struct dfset_merge): New.
(insert_into_intersection): New.
(intersect_loc_chains): New.
(loc_cmp): New.
(canonicalize_loc_order_check): New.
(canonicalize_values_mark): New.
(canonicalize_values_star): New.
(variable_merge_over_cur): New.
(variable_merge_over_src): New.
(dataflow_set_merge): New.
(dataflow_set_equiv_regs): New.
(remove_duplicate_values): New.
(struct dfset_post_merge): New.
(variable_post_merge_new_vals): New.
(variable_post_merge_perm_vals): New.
(dataflow_post_merge_adjust): New.
(find_mem_expr_in_1pdv): New.
(dataflow_set_preserve_mem_locs): New.
(dataflow_set_remove_mem_locs): New.
(dataflow_set_clear_at_call): New.
(onepart_variable_different_p): New.
(variable_different_p): Use it.
(dataflow_set_different_1): Adjust. Make detailed dump
more verbose.
(track_expr_p): Add need_rtl parameter. Don't generate rtl
if not needed.
(track_loc_p): Pass it true.
(struct count_use_info): New.
(find_use_val): New.
(replace_expr_with_values): New.
(log_op_type): New.
(use_type): New, partially split out of...
(count_uses): ... this. Count new micro-ops.
(count_uses_1): Adjust.
(count_stores): Adjust.
(count_with_sets): New.
(VAL_NEEDS_RESOLUTION): New.
(VAL_HOLDS_TRACK_EXPR): New.
(VAL_EXPR_IS_COPIED): New.
(VAL_EXPR_IS_CLOBBERED): New.
(add_uses): Adjust. Generate new micro-ops.
(add_uses_1): Adjust.
(add_stores): Generate new micro-ops.
(add_with_sets): New.
(find_src_status): Adjust.
(find_src_set_src): Adjust.
(compute_bb_dataflow): Use dataflow_set_clear_at_call.
Handle new micro-ops. Canonicalize value equivalances.
(vt_find_locations): Compute total size of hash tables for
dumping. Perform merge for var-tracking-assignments. Don't
disregard single-block loops.
(dump_attrs_list): Handle decl_or_value.
(dump_variable): Take variable. Deal with decl_or_value.
(dump_variable_slot): New.
(dump_vars): Use it.
(dump_dataflow_sets): Adjust.
(set_slot_part): New, extended to support one-part variables
after splitting out of...
(set_variable_part): ... this.
(clobber_slot_part): New, split out of...
(clobber_variable_part): ... this.
(delete_slot_part): New, split out of...
(delete_variable_part): .... this.
(check_wrap_constant): New.
(vt_expand_loc_callback): New.
(vt_expand_loc): New.
(emit_note_insn_var_location): Adjust. Handle values. Handle
EMIT_NOTE_AFTER_CALL_INSN.
(emit_notes_for_differences_1): Adjust. Handle values.
(emit_notes_for_differences_2): Likewise.
(emit_notes_for_differences): Adjust.
(emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN
notes. Adjust. Handle new micro-ops.
(vt_add_function_parameters): Adjust. Create and bind values.
(vt_initialize): Adjust. Initialize scratch_regs and
valvar_pool, flooded and perm.. Initialize and use cselib. Log
operations. Move some code to count_with_sets and add_with_sets.
(delete_debug_insns): New.
(vt_debug_insns_local): New.
(vt_finalize): Release permp, valvar_pool, scratch_regs. Finish
cselib.
(var_tracking_main): If var-tracking-assignments is enabled
but var-tracking isn't, delete debug insns and leave. Likewise
if we exceed limits or fail the stack adjustments tests, and
after all var-tracking processing.
More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
(dataflow_set): Add traversed_vars.
(value_chain, const_value_chain): New typedefs.
(value_chain_pool, value_chains): New variables.
(value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
add_value_chains, add_cselib_value_chains, remove_value_chain,
remove_value_chains, remove_cselib_value_chains): New functions.
(shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
static inlines.
(shared_hash_find_slot_unshare, shared_hash_find_slot,
shared_hash_find_slot_noinsert, shared_hash_find): Update.
(dst_can_be_shared): New variable.
(unshare_variable): Unshare set->vars if shared, use shared_hash_*.
Clear dst_can_be_shared. If set->traversed_vars is non-NULL and
different from set->vars, look up slot again instead of using the
passed in slot.
(dataflow_set_init): Initialize traversed_vars.
(variable_union): Use shared_hash_*. Use initially NO_INSERT
lookup if set->vars is shared. Don't keep slot cleared before
calling unshare_variable. Unshare set->vars if needed. Adjust
unshare_variable callers. Clear dst_can_be_shared if needed.
Even ->refcount == 1 vars must be unshared if set->vars is shared
and var needs to be modified.
(dataflow_set_union): Set traversed_vars during canonicalization.
(VALUE_CHANGED, DECL_CHANGED): Define.
(set_dv_changed, dv_changed_p): New static inlines.
(track_expr_p): Clear DECL_CHANGED.
(dump_dataflow_sets): Set it.
(variable_was_changed): Call set_dv_changed.
(emit_note_insn_var_location): Likewise.
(changed_variables_stack): New variable.
(check_changed_vars_1, check_changed_vars_2): New functions.
(emit_notes_for_changes): Do nothing if changed_variables is
empty. Traverse changed_variables with check_changed_vars_1,
call check_changed_vars_2 on each changed_variables_stack entry.
(emit_notes_in_bb): Add SET argument. Just clear it at the
beginning, use it instead of local &set, don't destroy it at the
end.
(vt_emit_notes): Call dataflow_set_clear early on all
VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
computed set, dataflow_set_clear also VTI(bb)->in when we are
done with the basic block. Initialize changed_variables_stack,
free it afterwards. If ENABLE_CHECKING verify that after noting
differences to an empty set value_chains hash table is empty.
(vt_initialize): Initialize value_chains and value_chain_pool.
(vt_finalize): Delete value_chains htab, free value_chain_pool.
(variable_tracking_main): Call dump_dataflow_sets before calling
vt_emit_notes, not after it.
* tree-flow.h (propagate_defs_into_debug_stmts): Declare.
(propagate_var_def_into_debug_stmts): Declare.
* df-problems.c (df_lr_bb_local_compute): Skip debug insns.
(df_set_note): Reject debug insns.
(df_whole_mw_reg_dead_p): Take added_notes_p argument. Don't
add notes to debug insns.
(df_note_bb_compute): Adjust. Likewise.
(df_simulate_uses): Skip debug insns.
(df_simulate_initialize_backwards): Likewise.
* reg-stack.c (subst_stack_regs_in_debug_insn): New.
(subst_stack_regs_pat): Reject debug insns.
(convert_regs_1): Handle debug insns.
* Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
(print-rtl.o): Depend on cselib.h.
(cselib.o): Depend on TREE_PASS_H.
(var-tracking.o): Depend on cselib.h and TARGET_H.
* sched-rgn.c (rgn_estimate_number_of_insns): Discount
debug insns.
(init_ready_list): Skip boundary debug insns.
(add_branch_dependences): Skip debug insns.
(free_block_dependencies): Check for blocks with only debug
insns.
(compute_priorities): Likewise.
* gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
(gimple_build_with_ops_stat): Take subcode as unsigned. Adjust
all callers.
(gimple_build_debug_bind_stat): New.
(empty_body_p): Skip debug stmts.
(gimple_has_side_effects): Likewise.
(gimple_rhs_has_side_effects): Likewise.
* gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
(gimple_build_debug_bind_stat): Declare.
(gimple_build_debug_bind): Define.
(is_gimple_debug): New.
(gimple_debug_bind_p): New.
(gimple_debug_bind_get_var): New.
(gimple_debug_bind_get_value): New.
(gimple_debug_bind_get_value_ptr): New.
(gimple_debug_bind_set_var): New.
(gimple_debug_bind_set_value): New.
(GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
(gimple_debug_bind_reset_value): New.
(gimple_debug_bind_has_value_p): New.
(gsi_next_nondebug): New.
(gsi_prev_nondebug): New.
(gsi_start_nondebug_bb): New.
(gsi_last_nondebug_bb): New.
* sched-vis.c (print_pattern): Handle VAR_LOCATION.
(print_insn): Handle DEBUG_INSN.
* tree-cfg.c (remove_bb): Walk stmts backwards. Let loc
of first insn prevail.
(first_stmt): Skip debug stmts.
(first_non_label_stmt): Likewise.
(last_stmt): Likewise.
(has_zero_uses_1): New.
(single_imm_use_1): New.
(verify_gimple_debug): New.
(verify_types_in_gimple_stmt): Handle debug stmts.
(verify_stmt): Likewise.
(debug_loop_num): Skip debug stmts.
(remove_edge_and_dominated_blocks): Remove dominators last.
* tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into
debug stmts.
(linearize_expr): Likewise.
* config/i386/i386.c (ix86_delegitimize_address): Call
default implementation.
* config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug
insns.
(group_barrier_needed): Skip debug insns.
(emit_insn_group_barriers): Likewise.
(emit_all_insn_group_barriers): Likewise.
(ia64_variable_issue): Handle debug insns.
(ia64_dfa_new_cycle): Likewise.
(final_emit_insn_group_barriers): Skip debug insns.
(ia64_dwarf2out_def_steady_cfa): Take frame argument. Don't
def cfa without frame.
(process_set): Likewise.
(process_for_unwind_directive): Pass frame on.
* config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
(rs6000_delegitimize_address): New.
(rs6000_debug_adjust_cost): Handle debug insns.
(is_microcoded_insn): Likewise.
(is_cracked_insn): Likewise.
(is_nonpipeline_insn): Likewise.
(insn_must_be_first_in_group): Likewise.
(insn_must_be_last_in_group): Likewise.
(force_new_group): Likewise.
* cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
contains only debug insns.
(rtl_merge_blocks): Skip debug insns.
(purge_dead_edges): Likewise.
(rtl_block_ends_with_call_p): Skip debug insns.
* dce.c (deletable_insn_p): Handle VAR_LOCATION.
(mark_reg_dependencies): Skip debug insns.
* params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
* tree-ssanames.c (release_ssa_name): Propagate def into
debug stmts.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts): Skip debug stmts.
* regcprop.c (replace_oldest_value_addr): Skip debug insns.
(replace_oldest_value_mem): Use ALL_REGS for debug insns.
(copyprop_hardreg_forward_1): Handle debug insns.
* reload1.c (reload): Skip debug insns. Replace unassigned
pseudos in debug insns with their equivalences.
(eliminate_regs_in_insn): Skip debug insns.
(emit_input_reload_insns): Skip debug insns at first, adjust
them later.
* tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
(get_indirect_ref_operands): Pass opf_no_vops on.
(get_expr_operands): Likewise. Skip debug stmts.
(parse_ssa_operands): Scan debug insns with opf_no_vops.
gcc/testsuite/ChangeLog:
* gcc.dg/guality/guality.c: New.
* gcc.dg/guality/guality.h: New.
* gcc.dg/guality/guality.exp: New.
* gcc.dg/guality/example.c: New.
* lib/gcc-dg.exp (cleanup-dump): Remove .gk files.
(cleanup-saved-temps): Likewise, .gkd files too.
gcc/cp/ChangeLog:
* cp-tree.h (TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS): New.
* cp-lang.c (cxx_dwarf_name): Pass it.
* error.c (count_non_default_template_args): Take flags as
argument. Adjust all callers. Skip counting of default
arguments if the new flag is given.
ChangeLog:
* Makefile.tpl (BUILD_CONFIG): Default to bootstrap-debug.
* Makefile.in: Rebuilt.
contrib/ChangeLog:
* compare-debug: Look for .gkd files and compare them.
config/ChangeLog:
* bootstrap-debug.mk: Add comments.
* bootstrap-debug-big.mk: New.
* bootstrap-debug-lean.mk: New.
* bootstrap-debug-ckovw.mk: Add comments.
* bootstrap-debug-lib.mk: Drop CFLAGS for stages. Use -g0
for TFLAGS in stage1. Drop -fvar-tracking-assignments-toggle.
From-SVN: r151312
2009-09-02 04:42:21 +02:00
|
|
|
|
if (NONDEBUG_INSN_P (insn))
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
create_insn_allocnos (PATTERN (insn), false);
|
|
|
|
|
/* It might be a allocno living through from one subloop to
|
|
|
|
|
another. */
|
2009-04-04 00:02:33 +02:00
|
|
|
|
EXECUTE_IF_SET_IN_REG_SET (DF_LR_IN (bb), FIRST_PSEUDO_REGISTER, i, bi)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (ira_curr_regno_allocno_map[i] == NULL)
|
|
|
|
|
ira_create_allocno (i, false, ira_curr_loop_tree_node);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create allocnos corresponding to pseudo-registers living on edge E
|
|
|
|
|
(a loop entry or exit). Also mark the allocnos as living on the
|
|
|
|
|
loop border. */
|
|
|
|
|
static void
|
|
|
|
|
create_loop_allocnos (edge e)
|
|
|
|
|
{
|
|
|
|
|
unsigned int i;
|
|
|
|
|
bitmap live_in_regs, border_allocnos;
|
|
|
|
|
bitmap_iterator bi;
|
|
|
|
|
ira_loop_tree_node_t parent;
|
|
|
|
|
|
2009-04-04 00:02:33 +02:00
|
|
|
|
live_in_regs = DF_LR_IN (e->dest);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
border_allocnos = ira_curr_loop_tree_node->border_allocnos;
|
2009-04-04 00:02:33 +02:00
|
|
|
|
EXECUTE_IF_SET_IN_REG_SET (DF_LR_OUT (e->src),
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
FIRST_PSEUDO_REGISTER, i, bi)
|
|
|
|
|
if (bitmap_bit_p (live_in_regs, i))
|
|
|
|
|
{
|
|
|
|
|
if (ira_curr_regno_allocno_map[i] == NULL)
|
|
|
|
|
{
|
|
|
|
|
/* The order of creations is important for right
|
|
|
|
|
ira_regno_allocno_map. */
|
|
|
|
|
if ((parent = ira_curr_loop_tree_node->parent) != NULL
|
|
|
|
|
&& parent->regno_allocno_map[i] == NULL)
|
|
|
|
|
ira_create_allocno (i, false, parent);
|
|
|
|
|
ira_create_allocno (i, false, ira_curr_loop_tree_node);
|
|
|
|
|
}
|
|
|
|
|
bitmap_set_bit (border_allocnos,
|
|
|
|
|
ALLOCNO_NUM (ira_curr_regno_allocno_map[i]));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create allocnos corresponding to pseudo-registers living in loop
|
|
|
|
|
represented by the corresponding loop tree node LOOP_NODE. This
|
|
|
|
|
function is called by ira_traverse_loop_tree. */
|
|
|
|
|
static void
|
|
|
|
|
create_loop_tree_node_allocnos (ira_loop_tree_node_t loop_node)
|
|
|
|
|
{
|
|
|
|
|
if (loop_node->bb != NULL)
|
|
|
|
|
create_bb_allocnos (loop_node);
|
|
|
|
|
else if (loop_node != ira_loop_tree_root)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
edge_iterator ei;
|
|
|
|
|
edge e;
|
|
|
|
|
VEC (edge, heap) *edges;
|
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_assert (current_loops != NULL);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
FOR_EACH_EDGE (e, ei, loop_node->loop->header->preds)
|
|
|
|
|
if (e->src != loop_node->loop->latch)
|
|
|
|
|
create_loop_allocnos (e);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
edges = get_loop_exit_edges (loop_node->loop);
|
2010-08-20 14:48:59 +02:00
|
|
|
|
FOR_EACH_VEC_ELT (edge, edges, i, e)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
create_loop_allocnos (e);
|
|
|
|
|
VEC_free (edge, heap, edges);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Propagate information about allocnos modified inside the loop given
|
|
|
|
|
by its LOOP_TREE_NODE to its parent. */
|
|
|
|
|
static void
|
|
|
|
|
propagate_modified_regnos (ira_loop_tree_node_t loop_tree_node)
|
|
|
|
|
{
|
|
|
|
|
if (loop_tree_node == ira_loop_tree_root)
|
|
|
|
|
return;
|
|
|
|
|
ira_assert (loop_tree_node->bb == NULL);
|
|
|
|
|
bitmap_ior_into (loop_tree_node->parent->modified_regnos,
|
|
|
|
|
loop_tree_node->modified_regnos);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Propagate new info about allocno A (see comments about accumulated
|
|
|
|
|
info in allocno definition) to the corresponding allocno on upper
|
|
|
|
|
loop tree level. So allocnos on upper levels accumulate
|
|
|
|
|
information about the corresponding allocnos in nested regions.
|
|
|
|
|
The new info means allocno info finally calculated in this
|
|
|
|
|
file. */
|
|
|
|
|
static void
|
|
|
|
|
propagate_allocno_info (void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
ira_allocno_t a, parent_a;
|
|
|
|
|
ira_loop_tree_node_t parent;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
enum reg_class aclass;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2008-12-09 Vladimir Makarov <vmakarov@redhat.com>
* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
* doc/invoke.texi (-fira-region): Describe new option.
(-fira-algorithm): Change the values.
* ira-conflicts.c (build_conflict_bit_table,
build_allocno_conflicts): Use ira_reg_classes_intersect_p.
(ira_build_conflicts): Use flag flag_ira_region instead of
flag_ira_algorithm. Prohibit usage of callee-saved likely spilled
base registers for allocnos crossing calls.
* flags.h (enum ira_algorithm): Redefine.
(enum ira_region): New.
(flag_ira_region): New.
* cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region
instead of flag_ira_algorithm.
* toplev.c (flag_ira_algorithm): Change the initial value.
(flag_ira_region): New.
* ira-int.h (ira_reg_classes_intersect_p,
ira_reg_class_super_classes): New.
* ira-color.c (update_copy_costs): Use
ira_reg_classes_intersect_p. Use right class to find hard reg
index.
(update_conflict_hard_regno_costs): Ditto. Add a new parameter.
(assign_hard_reg): Ditto. Pass additional argument to
update_conflict_hard_regno_costs. Do not uncoalesce for priority
coloring.
(allocno_priorities, setup_allocno_priorities,
allocno_priority_compare_func): Move before color_allocnos.
(color_allocnos): Add priority coloring. Use flag flag_ira_region
instead of flag_ira_algorithm.
(move_spill_restore): Check classes of the same reg allocno from
different regions.
(update_curr_costs): Use ira_reg_classes_intersect_p.
(ira_reassign_conflict_allocnos): Ditto.
* opts.c (decode_options): Always set up flag_ira. Set up
flag_ira_algorithm. Warn CB can not be used for architecture.
(common_handle_option): Modify code for -fira-algorithm. Add code
to process -fira-region.
* ira-lives.c (update_allocno_pressure_excess_length): Process
superclasses too.
(set_allocno_live, clear_allocno_live, mark_reg_live,
mark_reg_dead, process_bb_node_lives): Ditto.
* ira-emit.c (ira_emit): Fix insn codes.
* ira-build.c (propagate_allocno_info): Use flag flag_ira_region
instead of flag_ira_algorithm.
(allocno_range_compare_func): Ignore classes for priority
coloring.
(setup_min_max_conflict_allocno_ids): Ditto.
(ira_flattening): Use ira_reg_classes_intersect_p.
* genpreds.c (write_enum_constraint_num): Output
CONSTRAINT__LIMIT.
* common.opt (fira-algorithm): Modify.
(fira-region): New.
* ira.c (setup_class_hard_regs): Initialize.
(setup_cover_and_important_classes): Modify code setting class
related info for priority coloring.
(setup_class_translate): Ditto.
(ira_reg_classes_intersect_p, ira_reg_class_super_classes): New.
(setup_reg_class_intersect_union): Rename to
setup_reg_class_relations. Add code for setting up new variables.
(find_reg_class_closure): Do not check targetm.ira_cover_classes.
(ira): Use flag flag_ira_region instead of flag_ira_algorithm.
* ira-costs.c (common_classes): New.
(print_costs): Use flag flag_ira_region instead of
flag_ira_algorithm.
(find_allocno_class_costs): Ditto. Use common_classes. Translate
alt_class.
(ira_costs): Allocate/deallocate common_classes.
* config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19.
(REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for
R02A_REGS.
* reload1.c (choose_reload_regs): Use MODE_INT for partial ints in
smallest_mode_for_size.
From-SVN: r142610
2008-12-09 22:25:11 +01:00
|
|
|
|
if (flag_ira_region != IRA_REGION_ALL
|
|
|
|
|
&& flag_ira_region != IRA_REGION_MIXED)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return;
|
|
|
|
|
for (i = max_reg_num () - 1; i >= FIRST_PSEUDO_REGISTER; i--)
|
|
|
|
|
for (a = ira_regno_allocno_map[i];
|
|
|
|
|
a != NULL;
|
|
|
|
|
a = ALLOCNO_NEXT_REGNO_ALLOCNO (a))
|
|
|
|
|
if ((parent = ALLOCNO_LOOP_TREE_NODE (a)->parent) != NULL
|
|
|
|
|
&& (parent_a = parent->regno_allocno_map[i]) != NULL
|
|
|
|
|
/* There are no caps yet at this point. So use
|
|
|
|
|
border_allocnos to find allocnos for the propagation. */
|
|
|
|
|
&& bitmap_bit_p (ALLOCNO_LOOP_TREE_NODE (a)->border_allocnos,
|
|
|
|
|
ALLOCNO_NUM (a)))
|
|
|
|
|
{
|
2008-11-14 17:41:56 +01:00
|
|
|
|
if (! ALLOCNO_BAD_SPILL_P (a))
|
|
|
|
|
ALLOCNO_BAD_SPILL_P (parent_a) = false;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_NREFS (parent_a) += ALLOCNO_NREFS (a);
|
|
|
|
|
ALLOCNO_FREQ (parent_a) += ALLOCNO_FREQ (a);
|
|
|
|
|
ALLOCNO_CALL_FREQ (parent_a) += ALLOCNO_CALL_FREQ (a);
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
merge_hard_reg_conflicts (a, parent_a, true);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_CALLS_CROSSED_NUM (parent_a)
|
|
|
|
|
+= ALLOCNO_CALLS_CROSSED_NUM (a);
|
attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.
* attribs.c (decl_attributes): Avoid emitting a warning if
ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
From-SVN: r187459
2012-05-14 14:08:31 +02:00
|
|
|
|
ALLOCNO_CHEAP_CALLS_CROSSED_NUM (parent_a)
|
|
|
|
|
+= ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (parent_a)
|
|
|
|
|
+= ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (a);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ALLOCNO_CLASS (a);
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ira_assert (aclass == ALLOCNO_CLASS (parent_a));
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ira_allocate_and_accumulate_costs
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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(&ALLOCNO_HARD_REG_COSTS (parent_a), aclass,
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ALLOCNO_HARD_REG_COSTS (a));
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ira_allocate_and_accumulate_costs
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(&ALLOCNO_CONFLICT_HARD_REG_COSTS (parent_a),
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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|
aclass,
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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ALLOCNO_CONFLICT_HARD_REG_COSTS (a));
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ALLOCNO_CLASS_COST (parent_a)
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+= ALLOCNO_CLASS_COST (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_MEMORY_COST (parent_a) += ALLOCNO_MEMORY_COST (a);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create allocnos corresponding to pseudo-registers in the current
|
|
|
|
|
function. Traverse the loop tree for this. */
|
|
|
|
|
static void
|
|
|
|
|
create_allocnos (void)
|
|
|
|
|
{
|
|
|
|
|
/* We need to process BB first to correctly link allocnos by member
|
|
|
|
|
next_regno_allocno. */
|
|
|
|
|
ira_traverse_loop_tree (true, ira_loop_tree_root,
|
|
|
|
|
create_loop_tree_node_allocnos, NULL);
|
|
|
|
|
if (optimize)
|
|
|
|
|
ira_traverse_loop_tree (false, ira_loop_tree_root, NULL,
|
|
|
|
|
propagate_modified_regnos);
|
|
|
|
|
}
|
|
|
|
|
|
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|
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|
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|
|
|
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|
/* The page contains function to remove some regions from a separate
|
|
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|
|
register allocation. We remove regions whose separate allocation
|
|
|
|
|
will hardly improve the result. As a result we speed up regional
|
|
|
|
|
register allocation. */
|
|
|
|
|
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
/* The function changes the object in range list given by R to OBJ. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static void
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
change_object_in_range_list (live_range_t r, ira_object_t obj)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
for (; r != NULL; r = r->next)
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
r->object = obj;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
/* Move all live ranges associated with allocno FROM to allocno TO. */
|
|
|
|
|
static void
|
|
|
|
|
move_allocno_live_ranges (ira_allocno_t from, ira_allocno_t to)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
int i;
|
|
|
|
|
int n = ALLOCNO_NUM_OBJECTS (from);
|
|
|
|
|
|
|
|
|
|
gcc_assert (n == ALLOCNO_NUM_OBJECTS (to));
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
|
for (i = 0; i < n; i++)
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_object_t from_obj = ALLOCNO_OBJECT (from, i);
|
|
|
|
|
ira_object_t to_obj = ALLOCNO_OBJECT (to, i);
|
|
|
|
|
live_range_t lr = OBJECT_LIVE_RANGES (from_obj);
|
|
|
|
|
|
|
|
|
|
if (internal_flag_ira_verbose > 4 && ira_dump_file != NULL)
|
|
|
|
|
{
|
|
|
|
|
fprintf (ira_dump_file,
|
|
|
|
|
" Moving ranges of a%dr%d to a%dr%d: ",
|
|
|
|
|
ALLOCNO_NUM (from), ALLOCNO_REGNO (from),
|
|
|
|
|
ALLOCNO_NUM (to), ALLOCNO_REGNO (to));
|
|
|
|
|
ira_print_live_range_list (ira_dump_file, lr);
|
|
|
|
|
}
|
|
|
|
|
change_object_in_range_list (lr, to_obj);
|
|
|
|
|
OBJECT_LIVE_RANGES (to_obj)
|
|
|
|
|
= ira_merge_live_ranges (lr, OBJECT_LIVE_RANGES (to_obj));
|
|
|
|
|
OBJECT_LIVE_RANGES (from_obj) = NULL;
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
copy_allocno_live_ranges (ira_allocno_t from, ira_allocno_t to)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
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|
|
int i;
|
|
|
|
|
int n = ALLOCNO_NUM_OBJECTS (from);
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
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gcc_assert (n == ALLOCNO_NUM_OBJECTS (to));
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < n; i++)
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_object_t from_obj = ALLOCNO_OBJECT (from, i);
|
|
|
|
|
ira_object_t to_obj = ALLOCNO_OBJECT (to, i);
|
|
|
|
|
live_range_t lr = OBJECT_LIVE_RANGES (from_obj);
|
|
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|
|
|
|
|
|
|
if (internal_flag_ira_verbose > 4 && ira_dump_file != NULL)
|
|
|
|
|
{
|
|
|
|
|
fprintf (ira_dump_file, " Copying ranges of a%dr%d to a%dr%d: ",
|
|
|
|
|
ALLOCNO_NUM (from), ALLOCNO_REGNO (from),
|
|
|
|
|
ALLOCNO_NUM (to), ALLOCNO_REGNO (to));
|
|
|
|
|
ira_print_live_range_list (ira_dump_file, lr);
|
|
|
|
|
}
|
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|
|
|
lr = ira_copy_live_range_list (lr);
|
|
|
|
|
change_object_in_range_list (lr, to_obj);
|
|
|
|
|
OBJECT_LIVE_RANGES (to_obj)
|
|
|
|
|
= ira_merge_live_ranges (lr, OBJECT_LIVE_RANGES (to_obj));
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
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|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Return TRUE if NODE represents a loop with low register
|
|
|
|
|
pressure. */
|
|
|
|
|
static bool
|
|
|
|
|
low_pressure_loop_node_p (ira_loop_tree_node_t node)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class pclass;
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2009-11-25 11:55:54 +01:00
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (node->bb != NULL)
|
|
|
|
|
return false;
|
2009-11-25 11:55:54 +01:00
|
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|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
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for (i = 0; i < ira_pressure_classes_num; i++)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
pclass = ira_pressure_classes[i];
|
2012-05-31 07:27:03 +02:00
|
|
|
|
if (node->reg_pressure[pclass] > ira_class_hard_regs_num[pclass]
|
|
|
|
|
&& ira_class_hard_regs_num[pclass] > 1)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
2011-05-25 04:15:58 +02:00
|
|
|
|
#ifdef STACK_REGS
|
|
|
|
|
/* Return TRUE if LOOP has a complex enter or exit edge. We don't
|
|
|
|
|
form a region from such loop if the target use stack register
|
|
|
|
|
because reg-stack.c can not deal with such edges. */
|
2011-05-24 18:28:38 +02:00
|
|
|
|
static bool
|
2011-05-25 04:15:58 +02:00
|
|
|
|
loop_with_complex_edge_p (struct loop *loop)
|
2011-05-24 18:28:38 +02:00
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
edge_iterator ei;
|
|
|
|
|
edge e;
|
|
|
|
|
VEC (edge, heap) *edges;
|
2012-08-16 16:27:51 +02:00
|
|
|
|
bool res;
|
2011-05-24 18:28:38 +02:00
|
|
|
|
|
|
|
|
|
FOR_EACH_EDGE (e, ei, loop->header->preds)
|
|
|
|
|
if (e->flags & EDGE_EH)
|
|
|
|
|
return true;
|
|
|
|
|
edges = get_loop_exit_edges (loop);
|
2012-08-16 16:27:51 +02:00
|
|
|
|
res = false;
|
2011-05-24 18:28:38 +02:00
|
|
|
|
FOR_EACH_VEC_ELT (edge, edges, i, e)
|
2011-05-25 04:15:58 +02:00
|
|
|
|
if (e->flags & EDGE_COMPLEX)
|
2012-08-16 16:27:51 +02:00
|
|
|
|
{
|
|
|
|
|
res = true;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
VEC_free (edge, heap, edges);
|
|
|
|
|
return res;
|
2011-05-24 18:28:38 +02:00
|
|
|
|
}
|
2011-05-25 04:15:58 +02:00
|
|
|
|
#endif
|
2011-05-24 18:28:38 +02:00
|
|
|
|
|
2008-11-25 23:52:37 +01:00
|
|
|
|
/* Sort loops for marking them for removal. We put already marked
|
|
|
|
|
loops first, then less frequent loops next, and then outer loops
|
|
|
|
|
next. */
|
|
|
|
|
static int
|
|
|
|
|
loop_compare_func (const void *v1p, const void *v2p)
|
|
|
|
|
{
|
|
|
|
|
int diff;
|
|
|
|
|
ira_loop_tree_node_t l1 = *(const ira_loop_tree_node_t *) v1p;
|
|
|
|
|
ira_loop_tree_node_t l2 = *(const ira_loop_tree_node_t *) v2p;
|
|
|
|
|
|
|
|
|
|
ira_assert (l1->parent != NULL && l2->parent != NULL);
|
|
|
|
|
if (l1->to_remove_p && ! l2->to_remove_p)
|
|
|
|
|
return -1;
|
|
|
|
|
if (! l1->to_remove_p && l2->to_remove_p)
|
|
|
|
|
return 1;
|
|
|
|
|
if ((diff = l1->loop->header->frequency - l2->loop->header->frequency) != 0)
|
|
|
|
|
return diff;
|
|
|
|
|
if ((diff = (int) loop_depth (l1->loop) - (int) loop_depth (l2->loop)) != 0)
|
|
|
|
|
return diff;
|
|
|
|
|
/* Make sorting stable. */
|
2012-01-19 21:46:31 +01:00
|
|
|
|
return l1->loop_num - l2->loop_num;
|
2008-11-25 23:52:37 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Mark loops which should be removed from regional allocation. We
|
|
|
|
|
remove a loop with low register pressure inside another loop with
|
|
|
|
|
register pressure. In this case a separate allocation of the loop
|
|
|
|
|
hardly helps (for irregular register file architecture it could
|
|
|
|
|
help by choosing a better hard register in the loop but we prefer
|
|
|
|
|
faster allocation even in this case). We also remove cheap loops
|
2011-05-24 18:28:38 +02:00
|
|
|
|
if there are more than IRA_MAX_LOOPS_NUM of them. Loop with EH
|
|
|
|
|
exit or enter edges are removed too because the allocation might
|
|
|
|
|
require put pseudo moves on the EH edges (we could still do this
|
|
|
|
|
for pseudos with caller saved hard registers in some cases but it
|
|
|
|
|
is impossible to say here or during top-down allocation pass what
|
|
|
|
|
hard register the pseudos get finally). */
|
2008-11-25 23:52:37 +01:00
|
|
|
|
static void
|
|
|
|
|
mark_loops_for_removal (void)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2008-11-25 23:52:37 +01:00
|
|
|
|
int i, n;
|
|
|
|
|
ira_loop_tree_node_t *sorted_loops;
|
|
|
|
|
loop_p loop;
|
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_assert (current_loops != NULL);
|
2008-11-25 23:52:37 +01:00
|
|
|
|
sorted_loops
|
|
|
|
|
= (ira_loop_tree_node_t *) ira_allocate (sizeof (ira_loop_tree_node_t)
|
|
|
|
|
* VEC_length (loop_p,
|
|
|
|
|
ira_loops.larray));
|
|
|
|
|
for (n = i = 0; VEC_iterate (loop_p, ira_loops.larray, i, loop); i++)
|
|
|
|
|
if (ira_loop_nodes[i].regno_allocno_map != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (ira_loop_nodes[i].parent == NULL)
|
|
|
|
|
{
|
|
|
|
|
/* Don't remove the root. */
|
|
|
|
|
ira_loop_nodes[i].to_remove_p = false;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
sorted_loops[n++] = &ira_loop_nodes[i];
|
|
|
|
|
ira_loop_nodes[i].to_remove_p
|
2011-05-24 18:28:38 +02:00
|
|
|
|
= ((low_pressure_loop_node_p (ira_loop_nodes[i].parent)
|
|
|
|
|
&& low_pressure_loop_node_p (&ira_loop_nodes[i]))
|
2011-05-25 04:15:58 +02:00
|
|
|
|
#ifdef STACK_REGS
|
|
|
|
|
|| loop_with_complex_edge_p (ira_loop_nodes[i].loop)
|
|
|
|
|
#endif
|
|
|
|
|
);
|
2008-11-25 23:52:37 +01:00
|
|
|
|
}
|
|
|
|
|
qsort (sorted_loops, n, sizeof (ira_loop_tree_node_t), loop_compare_func);
|
|
|
|
|
for (i = 0; n - i + 1 > IRA_MAX_LOOPS_NUM; i++)
|
|
|
|
|
{
|
|
|
|
|
sorted_loops[i]->to_remove_p = true;
|
|
|
|
|
if (internal_flag_ira_verbose > 1 && ira_dump_file != NULL)
|
|
|
|
|
fprintf
|
|
|
|
|
(ira_dump_file,
|
|
|
|
|
" Mark loop %d (header %d, freq %d, depth %d) for removal (%s)\n",
|
2012-01-19 21:46:31 +01:00
|
|
|
|
sorted_loops[i]->loop_num, sorted_loops[i]->loop->header->index,
|
2008-11-25 23:52:37 +01:00
|
|
|
|
sorted_loops[i]->loop->header->frequency,
|
|
|
|
|
loop_depth (sorted_loops[i]->loop),
|
|
|
|
|
low_pressure_loop_node_p (sorted_loops[i]->parent)
|
|
|
|
|
&& low_pressure_loop_node_p (sorted_loops[i])
|
|
|
|
|
? "low pressure" : "cheap loop");
|
|
|
|
|
}
|
|
|
|
|
ira_free (sorted_loops);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
/* Mark all loops but root for removing. */
|
|
|
|
|
static void
|
|
|
|
|
mark_all_loops_for_removal (void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
loop_p loop;
|
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_assert (current_loops != NULL);
|
2010-08-20 14:48:59 +02:00
|
|
|
|
FOR_EACH_VEC_ELT (loop_p, ira_loops.larray, i, loop)
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
if (ira_loop_nodes[i].regno_allocno_map != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (ira_loop_nodes[i].parent == NULL)
|
|
|
|
|
{
|
|
|
|
|
/* Don't remove the root. */
|
|
|
|
|
ira_loop_nodes[i].to_remove_p = false;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
ira_loop_nodes[i].to_remove_p = true;
|
|
|
|
|
if (internal_flag_ira_verbose > 1 && ira_dump_file != NULL)
|
|
|
|
|
fprintf
|
|
|
|
|
(ira_dump_file,
|
|
|
|
|
" Mark loop %d (header %d, freq %d, depth %d) for removal\n",
|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_loop_nodes[i].loop_num,
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
ira_loop_nodes[i].loop->header->index,
|
|
|
|
|
ira_loop_nodes[i].loop->header->frequency,
|
|
|
|
|
loop_depth (ira_loop_nodes[i].loop));
|
|
|
|
|
}
|
|
|
|
|
}
|
2008-11-25 23:52:37 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Definition of vector of loop tree nodes. */
|
|
|
|
|
DEF_VEC_P(ira_loop_tree_node_t);
|
|
|
|
|
DEF_VEC_ALLOC_P(ira_loop_tree_node_t, heap);
|
|
|
|
|
|
|
|
|
|
/* Vec containing references to all removed loop tree nodes. */
|
|
|
|
|
static VEC(ira_loop_tree_node_t,heap) *removed_loop_vec;
|
|
|
|
|
|
|
|
|
|
/* Vec containing references to all children of loop tree nodes. */
|
|
|
|
|
static VEC(ira_loop_tree_node_t,heap) *children_vec;
|
|
|
|
|
|
|
|
|
|
/* Remove subregions of NODE if their separate allocation will not
|
|
|
|
|
improve the result. */
|
|
|
|
|
static void
|
|
|
|
|
remove_uneccesary_loop_nodes_from_loop_tree (ira_loop_tree_node_t node)
|
|
|
|
|
{
|
|
|
|
|
unsigned int start;
|
|
|
|
|
bool remove_p;
|
|
|
|
|
ira_loop_tree_node_t subnode;
|
|
|
|
|
|
2008-11-25 23:52:37 +01:00
|
|
|
|
remove_p = node->to_remove_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (! remove_p)
|
|
|
|
|
VEC_safe_push (ira_loop_tree_node_t, heap, children_vec, node);
|
|
|
|
|
start = VEC_length (ira_loop_tree_node_t, children_vec);
|
|
|
|
|
for (subnode = node->children; subnode != NULL; subnode = subnode->next)
|
|
|
|
|
if (subnode->bb == NULL)
|
|
|
|
|
remove_uneccesary_loop_nodes_from_loop_tree (subnode);
|
|
|
|
|
else
|
|
|
|
|
VEC_safe_push (ira_loop_tree_node_t, heap, children_vec, subnode);
|
|
|
|
|
node->children = node->subloops = NULL;
|
|
|
|
|
if (remove_p)
|
|
|
|
|
{
|
|
|
|
|
VEC_safe_push (ira_loop_tree_node_t, heap, removed_loop_vec, node);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
while (VEC_length (ira_loop_tree_node_t, children_vec) > start)
|
|
|
|
|
{
|
|
|
|
|
subnode = VEC_pop (ira_loop_tree_node_t, children_vec);
|
|
|
|
|
subnode->parent = node;
|
|
|
|
|
subnode->next = node->children;
|
|
|
|
|
node->children = subnode;
|
|
|
|
|
if (subnode->bb == NULL)
|
|
|
|
|
{
|
|
|
|
|
subnode->subloop_next = node->subloops;
|
|
|
|
|
node->subloops = subnode;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2008-12-02 01:15:35 +01:00
|
|
|
|
/* Return TRUE if NODE is inside PARENT. */
|
|
|
|
|
static bool
|
|
|
|
|
loop_is_inside_p (ira_loop_tree_node_t node, ira_loop_tree_node_t parent)
|
|
|
|
|
{
|
|
|
|
|
for (node = node->parent; node != NULL; node = node->parent)
|
|
|
|
|
if (node == parent)
|
|
|
|
|
return true;
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Sort allocnos according to their order in regno allocno list. */
|
|
|
|
|
static int
|
|
|
|
|
regno_allocno_order_compare_func (const void *v1p, const void *v2p)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a1 = *(const ira_allocno_t *) v1p;
|
|
|
|
|
ira_allocno_t a2 = *(const ira_allocno_t *) v2p;
|
|
|
|
|
ira_loop_tree_node_t n1 = ALLOCNO_LOOP_TREE_NODE (a1);
|
|
|
|
|
ira_loop_tree_node_t n2 = ALLOCNO_LOOP_TREE_NODE (a2);
|
|
|
|
|
|
|
|
|
|
if (loop_is_inside_p (n1, n2))
|
|
|
|
|
return -1;
|
|
|
|
|
else if (loop_is_inside_p (n2, n1))
|
|
|
|
|
return 1;
|
|
|
|
|
/* If allocnos are equally good, sort by allocno numbers, so that
|
|
|
|
|
the results of qsort leave nothing to chance. We put allocnos
|
|
|
|
|
with higher number first in the list because it is the original
|
|
|
|
|
order for allocnos from loops on the same levels. */
|
|
|
|
|
return ALLOCNO_NUM (a2) - ALLOCNO_NUM (a1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This array is used to sort allocnos to restore allocno order in
|
|
|
|
|
the regno allocno list. */
|
|
|
|
|
static ira_allocno_t *regno_allocnos;
|
|
|
|
|
|
|
|
|
|
/* Restore allocno order for REGNO in the regno allocno list. */
|
|
|
|
|
static void
|
|
|
|
|
ira_rebuild_regno_allocno_list (int regno)
|
|
|
|
|
{
|
|
|
|
|
int i, n;
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
|
|
|
|
|
for (n = 0, a = ira_regno_allocno_map[regno];
|
|
|
|
|
a != NULL;
|
|
|
|
|
a = ALLOCNO_NEXT_REGNO_ALLOCNO (a))
|
|
|
|
|
regno_allocnos[n++] = a;
|
|
|
|
|
ira_assert (n > 0);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
qsort (regno_allocnos, n, sizeof (ira_allocno_t),
|
2008-12-02 01:15:35 +01:00
|
|
|
|
regno_allocno_order_compare_func);
|
|
|
|
|
for (i = 1; i < n; i++)
|
|
|
|
|
ALLOCNO_NEXT_REGNO_ALLOCNO (regno_allocnos[i - 1]) = regno_allocnos[i];
|
|
|
|
|
ALLOCNO_NEXT_REGNO_ALLOCNO (regno_allocnos[n - 1]) = NULL;
|
|
|
|
|
ira_regno_allocno_map[regno] = regno_allocnos[0];
|
|
|
|
|
if (internal_flag_ira_verbose > 1 && ira_dump_file != NULL)
|
|
|
|
|
fprintf (ira_dump_file, " Rebuilding regno allocno list for %d\n", regno);
|
|
|
|
|
}
|
|
|
|
|
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
/* Propagate info from allocno FROM_A to allocno A. */
|
|
|
|
|
static void
|
|
|
|
|
propagate_some_info_from_allocno (ira_allocno_t a, ira_allocno_t from_a)
|
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass;
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re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
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merge_hard_reg_conflicts (from_a, a, false);
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re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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ALLOCNO_NREFS (a) += ALLOCNO_NREFS (from_a);
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ALLOCNO_FREQ (a) += ALLOCNO_FREQ (from_a);
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ALLOCNO_CALL_FREQ (a) += ALLOCNO_CALL_FREQ (from_a);
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ALLOCNO_CALLS_CROSSED_NUM (a) += ALLOCNO_CALLS_CROSSED_NUM (from_a);
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attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.
* attribs.c (decl_attributes): Avoid emitting a warning if
ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
From-SVN: r187459
2012-05-14 14:08:31 +02:00
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ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a)
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+= ALLOCNO_CHEAP_CALLS_CROSSED_NUM (from_a);
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re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (a)
|
|
|
|
|
+= ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (from_a);
|
|
|
|
|
if (! ALLOCNO_BAD_SPILL_P (from_a))
|
|
|
|
|
ALLOCNO_BAD_SPILL_P (a) = false;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ALLOCNO_CLASS (from_a);
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ira_assert (aclass == ALLOCNO_CLASS (a));
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ira_allocate_and_accumulate_costs (&ALLOCNO_HARD_REG_COSTS (a), aclass,
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re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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ALLOCNO_HARD_REG_COSTS (from_a));
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ira_allocate_and_accumulate_costs (&ALLOCNO_CONFLICT_HARD_REG_COSTS (a),
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass,
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re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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ALLOCNO_CONFLICT_HARD_REG_COSTS (from_a));
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ALLOCNO_CLASS_COST (a) += ALLOCNO_CLASS_COST (from_a);
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re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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ALLOCNO_MEMORY_COST (a) += ALLOCNO_MEMORY_COST (from_a);
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Remove allocnos from loops removed from the allocation
|
|
|
|
|
consideration. */
|
|
|
|
|
static void
|
|
|
|
|
remove_unnecessary_allocnos (void)
|
|
|
|
|
{
|
|
|
|
|
int regno;
|
2008-12-02 01:15:35 +01:00
|
|
|
|
bool merged_p, rebuild_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_allocno_t a, prev_a, next_a, parent_a;
|
|
|
|
|
ira_loop_tree_node_t a_node, parent;
|
|
|
|
|
|
|
|
|
|
merged_p = false;
|
2008-12-02 01:15:35 +01:00
|
|
|
|
regno_allocnos = NULL;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
for (regno = max_reg_num () - 1; regno >= FIRST_PSEUDO_REGISTER; regno--)
|
2008-12-02 01:15:35 +01:00
|
|
|
|
{
|
|
|
|
|
rebuild_p = false;
|
|
|
|
|
for (prev_a = NULL, a = ira_regno_allocno_map[regno];
|
|
|
|
|
a != NULL;
|
|
|
|
|
a = next_a)
|
|
|
|
|
{
|
|
|
|
|
next_a = ALLOCNO_NEXT_REGNO_ALLOCNO (a);
|
|
|
|
|
a_node = ALLOCNO_LOOP_TREE_NODE (a);
|
|
|
|
|
if (! a_node->to_remove_p)
|
|
|
|
|
prev_a = a;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
for (parent = a_node->parent;
|
|
|
|
|
(parent_a = parent->regno_allocno_map[regno]) == NULL
|
|
|
|
|
&& parent->to_remove_p;
|
|
|
|
|
parent = parent->parent)
|
|
|
|
|
;
|
|
|
|
|
if (parent_a == NULL)
|
|
|
|
|
{
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
/* There are no allocnos with the same regno in
|
|
|
|
|
upper region -- just move the allocno to the
|
|
|
|
|
upper region. */
|
2008-12-02 01:15:35 +01:00
|
|
|
|
prev_a = a;
|
|
|
|
|
ALLOCNO_LOOP_TREE_NODE (a) = parent;
|
|
|
|
|
parent->regno_allocno_map[regno] = a;
|
|
|
|
|
bitmap_set_bit (parent->all_allocnos, ALLOCNO_NUM (a));
|
|
|
|
|
rebuild_p = true;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Remove the allocno and update info of allocno in
|
|
|
|
|
the upper region. */
|
|
|
|
|
if (prev_a == NULL)
|
|
|
|
|
ira_regno_allocno_map[regno] = next_a;
|
|
|
|
|
else
|
|
|
|
|
ALLOCNO_NEXT_REGNO_ALLOCNO (prev_a) = next_a;
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
move_allocno_live_ranges (a, parent_a);
|
2008-12-02 01:15:35 +01:00
|
|
|
|
merged_p = true;
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
propagate_some_info_from_allocno (parent_a, a);
|
2010-05-10 16:02:43 +02:00
|
|
|
|
/* Remove it from the corresponding regno allocno
|
|
|
|
|
map to avoid info propagation of subsequent
|
|
|
|
|
allocno into this already removed allocno. */
|
|
|
|
|
a_node->regno_allocno_map[regno] = NULL;
|
2008-12-02 01:15:35 +01:00
|
|
|
|
finish_allocno (a);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (rebuild_p)
|
|
|
|
|
/* We need to restore the order in regno allocno list. */
|
|
|
|
|
{
|
|
|
|
|
if (regno_allocnos == NULL)
|
|
|
|
|
regno_allocnos
|
|
|
|
|
= (ira_allocno_t *) ira_allocate (sizeof (ira_allocno_t)
|
|
|
|
|
* ira_allocnos_num);
|
|
|
|
|
ira_rebuild_regno_allocno_list (regno);
|
|
|
|
|
}
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (merged_p)
|
|
|
|
|
ira_rebuild_start_finish_chains ();
|
2008-12-02 01:15:35 +01:00
|
|
|
|
if (regno_allocnos != NULL)
|
|
|
|
|
ira_free (regno_allocnos);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
/* Remove allocnos from all loops but the root. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static void
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
remove_low_level_allocnos (void)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
int regno;
|
|
|
|
|
bool merged_p, propagate_p;
|
|
|
|
|
ira_allocno_t a, top_a;
|
|
|
|
|
ira_loop_tree_node_t a_node, parent;
|
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
|
|
|
|
|
merged_p = false;
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
a_node = ALLOCNO_LOOP_TREE_NODE (a);
|
|
|
|
|
if (a_node == ira_loop_tree_root || ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
continue;
|
|
|
|
|
regno = ALLOCNO_REGNO (a);
|
|
|
|
|
if ((top_a = ira_loop_tree_root->regno_allocno_map[regno]) == NULL)
|
|
|
|
|
{
|
|
|
|
|
ALLOCNO_LOOP_TREE_NODE (a) = ira_loop_tree_root;
|
|
|
|
|
ira_loop_tree_root->regno_allocno_map[regno] = a;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
propagate_p = a_node->parent->regno_allocno_map[regno] == NULL;
|
|
|
|
|
/* Remove the allocno and update info of allocno in the upper
|
|
|
|
|
region. */
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
move_allocno_live_ranges (a, top_a);
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
merged_p = true;
|
|
|
|
|
if (propagate_p)
|
|
|
|
|
propagate_some_info_from_allocno (top_a, a);
|
|
|
|
|
}
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
a_node = ALLOCNO_LOOP_TREE_NODE (a);
|
|
|
|
|
if (a_node == ira_loop_tree_root)
|
|
|
|
|
continue;
|
|
|
|
|
parent = a_node->parent;
|
|
|
|
|
regno = ALLOCNO_REGNO (a);
|
|
|
|
|
if (ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
ira_assert (ALLOCNO_CAP (a) != NULL);
|
|
|
|
|
else if (ALLOCNO_CAP (a) == NULL)
|
|
|
|
|
ira_assert (parent->regno_allocno_map[regno] != NULL);
|
|
|
|
|
}
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
regno = ALLOCNO_REGNO (a);
|
|
|
|
|
if (ira_loop_tree_root->regno_allocno_map[regno] == a)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_object_t obj;
|
|
|
|
|
ira_allocno_object_iterator oi;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
ira_regno_allocno_map[regno] = a;
|
|
|
|
|
ALLOCNO_NEXT_REGNO_ALLOCNO (a) = NULL;
|
|
|
|
|
ALLOCNO_CAP_MEMBER (a) = NULL;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_ALLOCNO_OBJECT (a, obj, oi)
|
|
|
|
|
COPY_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (obj),
|
|
|
|
|
OBJECT_TOTAL_CONFLICT_HARD_REGS (obj));
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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#ifdef STACK_REGS
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if (ALLOCNO_TOTAL_NO_STACK_REG_P (a))
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ALLOCNO_NO_STACK_REG_P (a) = true;
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#endif
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}
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else
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finish_allocno (a);
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}
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if (merged_p)
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ira_rebuild_start_finish_chains ();
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}
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/* Remove loops from consideration. We remove all loops except for
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root if ALL_P or loops for which a separate allocation will not
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improve the result. We have to do this after allocno creation and
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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their costs and allocno class evaluation because only after that
|
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the register pressure can be known and is calculated. */
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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static void
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remove_unnecessary_regions (bool all_p)
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{
|
2012-01-19 21:46:31 +01:00
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if (current_loops == NULL)
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return;
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
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if (all_p)
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mark_all_loops_for_removal ();
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else
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mark_loops_for_removal ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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children_vec
|
|
|
|
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= VEC_alloc (ira_loop_tree_node_t, heap,
|
|
|
|
|
last_basic_block + VEC_length (loop_p, ira_loops.larray));
|
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|
|
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removed_loop_vec
|
|
|
|
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= VEC_alloc (ira_loop_tree_node_t, heap,
|
|
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|
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last_basic_block + VEC_length (loop_p, ira_loops.larray));
|
|
|
|
|
remove_uneccesary_loop_nodes_from_loop_tree (ira_loop_tree_root) ;
|
|
|
|
|
VEC_free (ira_loop_tree_node_t, heap, children_vec);
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
if (all_p)
|
|
|
|
|
remove_low_level_allocnos ();
|
|
|
|
|
else
|
|
|
|
|
remove_unnecessary_allocnos ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
while (VEC_length (ira_loop_tree_node_t, removed_loop_vec) > 0)
|
|
|
|
|
finish_loop_tree_node (VEC_pop (ira_loop_tree_node_t, removed_loop_vec));
|
|
|
|
|
VEC_free (ira_loop_tree_node_t, heap, removed_loop_vec);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2008-11-14 17:41:56 +01:00
|
|
|
|
/* At this point true value of allocno attribute bad_spill_p means
|
|
|
|
|
that there is an insn where allocno occurs and where the allocno
|
|
|
|
|
can not be used as memory. The function updates the attribute, now
|
|
|
|
|
it can be true only for allocnos which can not be used as memory in
|
|
|
|
|
an insn and in whose live ranges there is other allocno deaths.
|
|
|
|
|
Spilling allocnos with true value will not improve the code because
|
|
|
|
|
it will not make other allocnos colorable and additional reloads
|
|
|
|
|
for the corresponding pseudo will be generated in reload pass for
|
|
|
|
|
each insn it occurs.
|
|
|
|
|
|
|
|
|
|
This is a trick mentioned in one classic article of Chaitin etc
|
|
|
|
|
which is frequently omitted in other implementations of RA based on
|
|
|
|
|
graph coloring. */
|
|
|
|
|
static void
|
|
|
|
|
update_bad_spill_attribute (void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_allocno_object_iterator aoi;
|
|
|
|
|
ira_object_t obj;
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t r;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class aclass;
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2008-11-14 17:41:56 +01:00
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bitmap_head dead_points[N_REG_CLASSES];
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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for (i = 0; i < ira_allocno_classes_num; i++)
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2008-11-14 17:41:56 +01:00
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ira_allocno_classes[i];
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bitmap_initialize (&dead_points[aclass], ®_obstack);
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2008-11-14 17:41:56 +01:00
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}
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FOR_EACH_ALLOCNO (a, ai)
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = ALLOCNO_CLASS (a);
|
|
|
|
|
if (aclass == NO_REGS)
|
2008-11-14 17:41:56 +01:00
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_ALLOCNO_OBJECT (a, obj, aoi)
|
|
|
|
|
for (r = OBJECT_LIVE_RANGES (obj); r != NULL; r = r->next)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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bitmap_set_bit (&dead_points[aclass], r->finish);
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2008-11-14 17:41:56 +01:00
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}
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FOR_EACH_ALLOCNO (a, ai)
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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|
|
aclass = ALLOCNO_CLASS (a);
|
|
|
|
|
if (aclass == NO_REGS)
|
2008-11-14 17:41:56 +01:00
|
|
|
|
continue;
|
|
|
|
|
if (! ALLOCNO_BAD_SPILL_P (a))
|
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_ALLOCNO_OBJECT (a, obj, aoi)
|
2008-11-14 17:41:56 +01:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
for (r = OBJECT_LIVE_RANGES (obj); r != NULL; r = r->next)
|
|
|
|
|
{
|
|
|
|
|
for (i = r->start + 1; i < r->finish; i++)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
if (bitmap_bit_p (&dead_points[aclass], i))
|
2010-07-22 17:48:30 +02:00
|
|
|
|
break;
|
|
|
|
|
if (i < r->finish)
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (r != NULL)
|
|
|
|
|
{
|
|
|
|
|
ALLOCNO_BAD_SPILL_P (a) = false;
|
2008-11-14 17:41:56 +01:00
|
|
|
|
break;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
}
|
2008-11-14 17:41:56 +01:00
|
|
|
|
}
|
|
|
|
|
}
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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for (i = 0; i < ira_allocno_classes_num; i++)
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2008-11-14 17:41:56 +01:00
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ira_allocno_classes[i];
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bitmap_clear (&dead_points[aclass]);
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2008-11-14 17:41:56 +01:00
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}
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Set up minimal and maximal live range points for allocnos. */
|
|
|
|
|
static void
|
|
|
|
|
setup_min_max_allocno_live_range_point (void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
ira_allocno_t a, parent_a, cap;
|
|
|
|
|
ira_allocno_iterator ai;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
#ifdef ENABLE_IRA_CHECKING
|
|
|
|
|
ira_object_iterator oi;
|
|
|
|
|
ira_object_t obj;
|
|
|
|
|
#endif
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t r;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_loop_tree_node_t parent;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
int n = ALLOCNO_NUM_OBJECTS (a);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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2010-07-22 17:48:30 +02:00
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for (i = 0; i < n; i++)
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{
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ira_object_t obj = ALLOCNO_OBJECT (a, i);
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r = OBJECT_LIVE_RANGES (obj);
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if (r == NULL)
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continue;
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OBJECT_MAX (obj) = r->finish;
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for (; r->next != NULL; r = r->next)
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;
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OBJECT_MIN (obj) = r->start;
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
for (i = max_reg_num () - 1; i >= FIRST_PSEUDO_REGISTER; i--)
|
|
|
|
|
for (a = ira_regno_allocno_map[i];
|
|
|
|
|
a != NULL;
|
|
|
|
|
a = ALLOCNO_NEXT_REGNO_ALLOCNO (a))
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
int j;
|
|
|
|
|
int n = ALLOCNO_NUM_OBJECTS (a);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
|
for (j = 0; j < n; j++)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_object_t obj = ALLOCNO_OBJECT (a, j);
|
|
|
|
|
ira_object_t parent_obj;
|
|
|
|
|
|
|
|
|
|
if (OBJECT_MAX (obj) < 0)
|
|
|
|
|
continue;
|
|
|
|
|
ira_assert (ALLOCNO_CAP_MEMBER (a) == NULL);
|
|
|
|
|
/* Accumulation of range info. */
|
|
|
|
|
if (ALLOCNO_CAP (a) != NULL)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
for (cap = ALLOCNO_CAP (a); cap != NULL; cap = ALLOCNO_CAP (cap))
|
|
|
|
|
{
|
|
|
|
|
ira_object_t cap_obj = ALLOCNO_OBJECT (cap, j);
|
|
|
|
|
if (OBJECT_MAX (cap_obj) < OBJECT_MAX (obj))
|
|
|
|
|
OBJECT_MAX (cap_obj) = OBJECT_MAX (obj);
|
|
|
|
|
if (OBJECT_MIN (cap_obj) > OBJECT_MIN (obj))
|
|
|
|
|
OBJECT_MIN (cap_obj) = OBJECT_MIN (obj);
|
|
|
|
|
}
|
|
|
|
|
continue;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
2010-07-22 17:48:30 +02:00
|
|
|
|
if ((parent = ALLOCNO_LOOP_TREE_NODE (a)->parent) == NULL)
|
|
|
|
|
continue;
|
|
|
|
|
parent_a = parent->regno_allocno_map[i];
|
|
|
|
|
parent_obj = ALLOCNO_OBJECT (parent_a, j);
|
|
|
|
|
if (OBJECT_MAX (parent_obj) < OBJECT_MAX (obj))
|
|
|
|
|
OBJECT_MAX (parent_obj) = OBJECT_MAX (obj);
|
|
|
|
|
if (OBJECT_MIN (parent_obj) > OBJECT_MIN (obj))
|
|
|
|
|
OBJECT_MIN (parent_obj) = OBJECT_MIN (obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#ifdef ENABLE_IRA_CHECKING
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_OBJECT (obj, oi)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if ((0 <= OBJECT_MIN (obj) && OBJECT_MIN (obj) <= ira_max_point)
|
|
|
|
|
&& (0 <= OBJECT_MAX (obj) && OBJECT_MAX (obj) <= ira_max_point))
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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continue;
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gcc_unreachable ();
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
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|
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|
|
/* Sort allocnos according to their live ranges. Allocnos with
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
smaller allocno class are put first unless we use priority
|
|
|
|
|
coloring. Allocnos with the same class are ordered according
|
|
|
|
|
their start (min). Allocnos with the same start are ordered
|
|
|
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|
according their finish (max). */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static int
|
2010-07-22 17:48:30 +02:00
|
|
|
|
object_range_compare_func (const void *v1p, const void *v2p)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
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int diff;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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ira_object_t obj1 = *(const ira_object_t *) v1p;
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ira_object_t obj2 = *(const ira_object_t *) v2p;
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ira_allocno_t a1 = OBJECT_ALLOCNO (obj1);
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ira_allocno_t a2 = OBJECT_ALLOCNO (obj2);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if ((diff = OBJECT_MIN (obj1) - OBJECT_MIN (obj2)) != 0)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return diff;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if ((diff = OBJECT_MAX (obj1) - OBJECT_MAX (obj2)) != 0)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
return diff;
|
|
|
|
|
return ALLOCNO_NUM (a1) - ALLOCNO_NUM (a2);
|
|
|
|
|
}
|
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
/* Sort ira_object_id_map and set up conflict id of allocnos. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
static void
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
sort_conflict_id_map (void)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
int i, num;
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
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|
|
|
|
|
|
|
num = 0;
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
2010-07-22 17:48:30 +02:00
|
|
|
|
{
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ira_allocno_object_iterator oi;
|
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ira_object_t obj;
|
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FOR_EACH_ALLOCNO_OBJECT (a, obj, oi)
|
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ira_object_id_map[num++] = obj;
|
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}
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
qsort (ira_object_id_map, num, sizeof (ira_object_t),
|
2010-07-22 17:48:30 +02:00
|
|
|
|
object_range_compare_func);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
for (i = 0; i < num; i++)
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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{
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ira_object_t obj = ira_object_id_map[i];
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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gcc_assert (obj != NULL);
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OBJECT_CONFLICT_ID (obj) = i;
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}
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for (i = num; i < ira_objects_num; i++)
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ira_object_id_map[i] = NULL;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
}
|
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|
|
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|
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|
|
/* Set up minimal and maximal conflict ids of allocnos with which
|
|
|
|
|
given allocno can conflict. */
|
|
|
|
|
static void
|
|
|
|
|
setup_min_max_conflict_allocno_ids (void)
|
|
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|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
int aclass;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
int i, j, min, max, start, finish, first_not_finished, filled_area_start;
|
|
|
|
|
int *live_range_min, *last_lived;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
int word0_min, word0_max;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_allocno_t a;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_allocno_iterator ai;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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live_range_min = (int *) ira_allocate (sizeof (int) * ira_objects_num);
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = -1;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
first_not_finished = -1;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
for (i = 0; i < ira_objects_num; i++)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
ira_object_t obj = ira_object_id_map[i];
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
if (obj == NULL)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
continue;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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a = OBJECT_ALLOCNO (obj);
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
if (aclass < 0)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = ALLOCNO_CLASS (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
min = i;
|
|
|
|
|
first_not_finished = i;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
start = OBJECT_MIN (obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* If we skip an allocno, the allocno with smaller ids will
|
|
|
|
|
be also skipped because of the secondary sorting the
|
|
|
|
|
range finishes (see function
|
2010-07-22 17:48:30 +02:00
|
|
|
|
object_range_compare_func). */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
while (first_not_finished < i
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
&& start > OBJECT_MAX (ira_object_id_map
|
2010-07-22 17:48:30 +02:00
|
|
|
|
[first_not_finished]))
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
first_not_finished++;
|
|
|
|
|
min = first_not_finished;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (min == i)
|
|
|
|
|
/* We could increase min further in this case but it is good
|
|
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|
|
enough. */
|
|
|
|
|
min++;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
live_range_min[i] = OBJECT_MIN (obj);
|
|
|
|
|
OBJECT_MIN (obj) = min;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
last_lived = (int *) ira_allocate (sizeof (int) * ira_max_point);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = -1;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
filled_area_start = -1;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
for (i = ira_objects_num - 1; i >= 0; i--)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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{
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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ira_object_t obj = ira_object_id_map[i];
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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if (obj == NULL)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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continue;
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
|
|
|
|
|
a = OBJECT_ALLOCNO (obj);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
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|
if (aclass < 0)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
aclass = ALLOCNO_CLASS (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
for (j = 0; j < ira_max_point; j++)
|
|
|
|
|
last_lived[j] = -1;
|
|
|
|
|
filled_area_start = ira_max_point;
|
|
|
|
|
}
|
|
|
|
|
min = live_range_min[i];
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
finish = OBJECT_MAX (obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
max = last_lived[finish];
|
|
|
|
|
if (max < 0)
|
|
|
|
|
/* We could decrease max further in this case but it is good
|
|
|
|
|
enough. */
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
max = OBJECT_CONFLICT_ID (obj) - 1;
|
|
|
|
|
OBJECT_MAX (obj) = max;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* In filling, we can go further A range finish to recognize
|
|
|
|
|
intersection quickly because if the finish of subsequently
|
|
|
|
|
processed allocno (it has smaller conflict id) range is
|
|
|
|
|
further A range finish than they are definitely intersected
|
|
|
|
|
(the reason for this is the allocnos with bigger conflict id
|
|
|
|
|
have their range starts not smaller than allocnos with
|
|
|
|
|
smaller ids. */
|
|
|
|
|
for (j = min; j < filled_area_start; j++)
|
|
|
|
|
last_lived[j] = i;
|
|
|
|
|
filled_area_start = min;
|
|
|
|
|
}
|
|
|
|
|
ira_free (last_lived);
|
|
|
|
|
ira_free (live_range_min);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
|
|
|
|
/* For allocnos with more than one object, we may later record extra conflicts in
|
|
|
|
|
subobject 0 that we cannot really know about here.
|
|
|
|
|
For now, simply widen the min/max range of these subobjects. */
|
|
|
|
|
|
|
|
|
|
word0_min = INT_MAX;
|
|
|
|
|
word0_max = INT_MIN;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
int n = ALLOCNO_NUM_OBJECTS (a);
|
|
|
|
|
ira_object_t obj0;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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2010-07-22 17:48:30 +02:00
|
|
|
|
if (n < 2)
|
|
|
|
|
continue;
|
|
|
|
|
obj0 = ALLOCNO_OBJECT (a, 0);
|
|
|
|
|
if (OBJECT_CONFLICT_ID (obj0) < word0_min)
|
|
|
|
|
word0_min = OBJECT_CONFLICT_ID (obj0);
|
|
|
|
|
if (OBJECT_CONFLICT_ID (obj0) > word0_max)
|
|
|
|
|
word0_max = OBJECT_CONFLICT_ID (obj0);
|
|
|
|
|
}
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
int n = ALLOCNO_NUM_OBJECTS (a);
|
|
|
|
|
ira_object_t obj0;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
|
2010-07-22 17:48:30 +02:00
|
|
|
|
if (n < 2)
|
|
|
|
|
continue;
|
|
|
|
|
obj0 = ALLOCNO_OBJECT (a, 0);
|
|
|
|
|
if (OBJECT_MIN (obj0) > word0_min)
|
|
|
|
|
OBJECT_MIN (obj0) = word0_min;
|
|
|
|
|
if (OBJECT_MAX (obj0) < word0_max)
|
|
|
|
|
OBJECT_MAX (obj0) = word0_max;
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
create_caps (void)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
ira_loop_tree_node_t loop_tree_node;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
|
|
|
|
if (ALLOCNO_LOOP_TREE_NODE (a) == ira_loop_tree_root)
|
|
|
|
|
continue;
|
|
|
|
|
if (ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
create_cap_allocno (a);
|
|
|
|
|
else if (ALLOCNO_CAP (a) == NULL)
|
|
|
|
|
{
|
|
|
|
|
loop_tree_node = ALLOCNO_LOOP_TREE_NODE (a);
|
|
|
|
|
if (!bitmap_bit_p (loop_tree_node->border_allocnos, ALLOCNO_NUM (a)))
|
|
|
|
|
create_cap_allocno (a);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The page contains code transforming more one region internal
|
|
|
|
|
representation (IR) to one region IR which is necessary for reload.
|
|
|
|
|
This transformation is called IR flattening. We might just rebuild
|
|
|
|
|
the IR for one region but we don't do it because it takes a lot of
|
|
|
|
|
time. */
|
|
|
|
|
|
2008-09-13 00:55:23 +02:00
|
|
|
|
/* Map: regno -> allocnos which will finally represent the regno for
|
|
|
|
|
IR with one region. */
|
|
|
|
|
static ira_allocno_t *regno_top_level_allocno_map;
|
|
|
|
|
|
2010-06-25 01:27:58 +02:00
|
|
|
|
/* Find the allocno that corresponds to A at a level one higher up in the
|
|
|
|
|
loop tree. Returns NULL if A is a cap, or if it has no parent. */
|
|
|
|
|
ira_allocno_t
|
|
|
|
|
ira_parent_allocno (ira_allocno_t a)
|
|
|
|
|
{
|
|
|
|
|
ira_loop_tree_node_t parent;
|
|
|
|
|
|
|
|
|
|
if (ALLOCNO_CAP (a) != NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
parent = ALLOCNO_LOOP_TREE_NODE (a)->parent;
|
|
|
|
|
if (parent == NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
return parent->regno_allocno_map[ALLOCNO_REGNO (a)];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Find the allocno that corresponds to A at a level one higher up in the
|
|
|
|
|
loop tree. If ALLOCNO_CAP is set for A, return that. */
|
|
|
|
|
ira_allocno_t
|
|
|
|
|
ira_parent_or_cap_allocno (ira_allocno_t a)
|
|
|
|
|
{
|
|
|
|
|
if (ALLOCNO_CAP (a) != NULL)
|
|
|
|
|
return ALLOCNO_CAP (a);
|
|
|
|
|
|
|
|
|
|
return ira_parent_allocno (a);
|
|
|
|
|
}
|
|
|
|
|
|
2008-09-13 00:55:23 +02:00
|
|
|
|
/* Process all allocnos originated from pseudo REGNO and copy live
|
2008-10-27 17:19:25 +01:00
|
|
|
|
ranges, hard reg conflicts, and allocno stack reg attributes from
|
|
|
|
|
low level allocnos to final allocnos which are destinations of
|
|
|
|
|
removed stores at a loop exit. Return true if we copied live
|
|
|
|
|
ranges. */
|
2008-09-13 00:55:23 +02:00
|
|
|
|
static bool
|
2008-10-27 17:19:25 +01:00
|
|
|
|
copy_info_to_removed_store_destinations (int regno)
|
2008-09-13 00:55:23 +02:00
|
|
|
|
{
|
2009-06-16 22:25:30 +02:00
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_t parent_a = NULL;
|
2008-09-13 00:55:23 +02:00
|
|
|
|
ira_loop_tree_node_t parent;
|
|
|
|
|
bool merged_p;
|
|
|
|
|
|
|
|
|
|
merged_p = false;
|
|
|
|
|
for (a = ira_regno_allocno_map[regno];
|
|
|
|
|
a != NULL;
|
|
|
|
|
a = ALLOCNO_NEXT_REGNO_ALLOCNO (a))
|
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
if (a != regno_top_level_allocno_map[REGNO (allocno_emit_reg (a))])
|
2008-09-13 00:55:23 +02:00
|
|
|
|
/* This allocno will be removed. */
|
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
2008-09-13 00:55:23 +02:00
|
|
|
|
/* Caps will be removed. */
|
|
|
|
|
ira_assert (ALLOCNO_CAP_MEMBER (a) == NULL);
|
|
|
|
|
for (parent = ALLOCNO_LOOP_TREE_NODE (a)->parent;
|
|
|
|
|
parent != NULL;
|
|
|
|
|
parent = parent->parent)
|
|
|
|
|
if ((parent_a = parent->regno_allocno_map[regno]) == NULL
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
|| (parent_a
|
|
|
|
|
== regno_top_level_allocno_map[REGNO
|
|
|
|
|
(allocno_emit_reg (parent_a))]
|
|
|
|
|
&& ALLOCNO_EMIT_DATA (parent_a)->mem_optimized_dest_p))
|
2008-09-13 00:55:23 +02:00
|
|
|
|
break;
|
|
|
|
|
if (parent == NULL || parent_a == NULL)
|
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
copy_allocno_live_ranges (a, parent_a);
|
|
|
|
|
merge_hard_reg_conflicts (a, parent_a, true);
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
2008-11-19 22:25:00 +01:00
|
|
|
|
ALLOCNO_CALL_FREQ (parent_a) += ALLOCNO_CALL_FREQ (a);
|
|
|
|
|
ALLOCNO_CALLS_CROSSED_NUM (parent_a)
|
|
|
|
|
+= ALLOCNO_CALLS_CROSSED_NUM (a);
|
attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.
* attribs.c (decl_attributes): Avoid emitting a warning if
ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
From-SVN: r187459
2012-05-14 14:08:31 +02:00
|
|
|
|
ALLOCNO_CHEAP_CALLS_CROSSED_NUM (parent_a)
|
|
|
|
|
+= ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a);
|
2008-11-19 22:25:00 +01:00
|
|
|
|
ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (parent_a)
|
|
|
|
|
+= ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (a);
|
2008-09-13 00:55:23 +02:00
|
|
|
|
merged_p = true;
|
|
|
|
|
}
|
|
|
|
|
return merged_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Flatten the IR. In other words, this function transforms IR as if
|
|
|
|
|
it were built with one region (without loops). We could make it
|
|
|
|
|
much simpler by rebuilding IR with one region, but unfortunately it
|
|
|
|
|
takes a lot of time. MAX_REGNO_BEFORE_EMIT and
|
|
|
|
|
IRA_MAX_POINT_BEFORE_EMIT are correspondingly MAX_REG_NUM () and
|
|
|
|
|
IRA_MAX_POINT before emitting insns on the loop borders. */
|
|
|
|
|
void
|
|
|
|
|
ira_flattening (int max_regno_before_emit, int ira_max_point_before_emit)
|
|
|
|
|
{
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
int i, j;
|
2008-11-19 22:25:00 +01:00
|
|
|
|
bool keep_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
int hard_regs_num;
|
2008-09-13 00:55:23 +02:00
|
|
|
|
bool new_pseudos_p, merged_p, mem_dest_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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unsigned int n;
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
enum reg_class aclass;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_allocno_t a, parent_a, first, second, node_first, node_second;
|
|
|
|
|
ira_copy_t cp;
|
2010-06-25 01:27:58 +02:00
|
|
|
|
ira_loop_tree_node_t node;
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t r;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ira_allocno_iterator ai;
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ira_copy_iterator ci;
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regno_top_level_allocno_map
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
= (ira_allocno_t *) ira_allocate (max_reg_num ()
|
|
|
|
|
* sizeof (ira_allocno_t));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
memset (regno_top_level_allocno_map, 0,
|
|
|
|
|
max_reg_num () * sizeof (ira_allocno_t));
|
|
|
|
|
new_pseudos_p = merged_p = false;
|
2008-10-16 02:22:13 +02:00
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_allocno_object_iterator oi;
|
|
|
|
|
ira_object_t obj;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
|
2008-10-16 02:22:13 +02:00
|
|
|
|
if (ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
/* Caps are not in the regno allocno maps and they are never
|
|
|
|
|
will be transformed into allocnos existing after IR
|
|
|
|
|
flattening. */
|
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_ALLOCNO_OBJECT (a, obj, oi)
|
|
|
|
|
COPY_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj),
|
|
|
|
|
OBJECT_CONFLICT_HARD_REGS (obj));
|
2008-10-16 02:22:13 +02:00
|
|
|
|
#ifdef STACK_REGS
|
|
|
|
|
ALLOCNO_TOTAL_NO_STACK_REG_P (a) = ALLOCNO_NO_STACK_REG_P (a);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Fix final allocno attributes. */
|
|
|
|
|
for (i = max_regno_before_emit - 1; i >= FIRST_PSEUDO_REGISTER; i--)
|
|
|
|
|
{
|
2008-10-16 02:22:13 +02:00
|
|
|
|
mem_dest_p = false;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
for (a = ira_regno_allocno_map[i];
|
|
|
|
|
a != NULL;
|
|
|
|
|
a = ALLOCNO_NEXT_REGNO_ALLOCNO (a))
|
|
|
|
|
{
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ira_emit_data_t parent_data, data = ALLOCNO_EMIT_DATA (a);
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ira_assert (ALLOCNO_CAP_MEMBER (a) == NULL);
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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if (data->somewhere_renamed_p)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
new_pseudos_p = true;
|
2010-06-25 01:27:58 +02:00
|
|
|
|
parent_a = ira_parent_allocno (a);
|
|
|
|
|
if (parent_a == NULL)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
|
|
|
|
ALLOCNO_COPIES (a) = NULL;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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|
|
|
regno_top_level_allocno_map[REGNO (data->reg)] = a;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
ira_assert (ALLOCNO_CAP_MEMBER (parent_a) == NULL);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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if (data->mem_optimized_dest != NULL)
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2008-09-13 00:55:23 +02:00
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mem_dest_p = true;
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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parent_data = ALLOCNO_EMIT_DATA (parent_a);
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if (REGNO (data->reg) == REGNO (parent_data->reg))
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
ira-build.c (merge_hard_reg_conflicts): New function.
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-25 01:27:09 +02:00
|
|
|
|
merge_hard_reg_conflicts (a, parent_a, true);
|
|
|
|
|
move_allocno_live_ranges (a, parent_a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
merged_p = true;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
new_pseudos_p = true;
|
|
|
|
|
for (;;)
|
|
|
|
|
{
|
|
|
|
|
ALLOCNO_NREFS (parent_a) -= ALLOCNO_NREFS (a);
|
|
|
|
|
ALLOCNO_FREQ (parent_a) -= ALLOCNO_FREQ (a);
|
2008-11-19 22:25:00 +01:00
|
|
|
|
ALLOCNO_CALL_FREQ (parent_a) -= ALLOCNO_CALL_FREQ (a);
|
|
|
|
|
ALLOCNO_CALLS_CROSSED_NUM (parent_a)
|
|
|
|
|
-= ALLOCNO_CALLS_CROSSED_NUM (a);
|
attribs.c (decl_attributes): Avoid emitting a warning if ATTR_FLAG_BUILT_IN.
* attribs.c (decl_attributes): Avoid emitting a warning if
ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
From-SVN: r187459
2012-05-14 14:08:31 +02:00
|
|
|
|
ALLOCNO_CHEAP_CALLS_CROSSED_NUM (parent_a)
|
|
|
|
|
-= ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a);
|
2008-11-19 22:25:00 +01:00
|
|
|
|
ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (parent_a)
|
|
|
|
|
-= ALLOCNO_EXCESS_PRESSURE_POINTS_NUM (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_assert (ALLOCNO_CALLS_CROSSED_NUM (parent_a) >= 0
|
|
|
|
|
&& ALLOCNO_NREFS (parent_a) >= 0
|
|
|
|
|
&& ALLOCNO_FREQ (parent_a) >= 0);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ALLOCNO_CLASS (parent_a);
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hard_regs_num = ira_class_hard_regs_num[aclass];
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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if (ALLOCNO_HARD_REG_COSTS (a) != NULL
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&& ALLOCNO_HARD_REG_COSTS (parent_a) != NULL)
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for (j = 0; j < hard_regs_num; j++)
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ALLOCNO_HARD_REG_COSTS (parent_a)[j]
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-= ALLOCNO_HARD_REG_COSTS (a)[j];
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if (ALLOCNO_CONFLICT_HARD_REG_COSTS (a) != NULL
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&& ALLOCNO_CONFLICT_HARD_REG_COSTS (parent_a) != NULL)
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for (j = 0; j < hard_regs_num; j++)
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ALLOCNO_CONFLICT_HARD_REG_COSTS (parent_a)[j]
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-= ALLOCNO_CONFLICT_HARD_REG_COSTS (a)[j];
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ALLOCNO_CLASS_COST (parent_a)
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-= ALLOCNO_CLASS_COST (a);
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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ALLOCNO_MEMORY_COST (parent_a) -= ALLOCNO_MEMORY_COST (a);
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2010-06-25 01:27:58 +02:00
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parent_a = ira_parent_allocno (parent_a);
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if (parent_a == NULL)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
ALLOCNO_COPIES (a) = NULL;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
regno_top_level_allocno_map[REGNO (data->reg)] = a;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
2008-10-27 17:19:25 +01:00
|
|
|
|
if (mem_dest_p && copy_info_to_removed_store_destinations (i))
|
2008-09-13 00:55:23 +02:00
|
|
|
|
merged_p = true;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
ira_assert (new_pseudos_p || ira_max_point_before_emit == ira_max_point);
|
|
|
|
|
if (merged_p || ira_max_point_before_emit != ira_max_point)
|
|
|
|
|
ira_rebuild_start_finish_chains ();
|
|
|
|
|
if (new_pseudos_p)
|
|
|
|
|
{
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
sparseset objects_live;
|
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Rebuild conflicts. */
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ira_allocno_object_iterator oi;
|
|
|
|
|
ira_object_t obj;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
|
|
|
|
|
if (a != regno_top_level_allocno_map[REGNO (allocno_emit_reg (a))]
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|| ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
FOR_EACH_ALLOCNO_OBJECT (a, obj, oi)
|
|
|
|
|
{
|
|
|
|
|
for (r = OBJECT_LIVE_RANGES (obj); r != NULL; r = r->next)
|
|
|
|
|
ira_assert (r->object == obj);
|
|
|
|
|
clear_conflicts (obj);
|
|
|
|
|
}
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
objects_live = sparseset_alloc (ira_objects_num);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
for (i = 0; i < ira_max_point; i++)
|
|
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|
|
{
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|
|
for (r = ira_start_point_ranges[i]; r != NULL; r = r->start_next)
|
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{
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_object_t obj = r->object;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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|
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ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
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a = OBJECT_ALLOCNO (obj);
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
if (a != regno_top_level_allocno_map[REGNO (allocno_emit_reg (a))]
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|| ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
continue;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass = ALLOCNO_CLASS (a);
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
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sparseset_set_bit (objects_live, OBJECT_CONFLICT_ID (obj));
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EXECUTE_IF_SET_IN_SPARSESET (objects_live, n)
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
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|
{
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
ira_object_t live_obj = ira_object_id_map[n];
|
|
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|
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ira_allocno_t live_a = OBJECT_ALLOCNO (live_obj);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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enum reg_class live_aclass = ALLOCNO_CLASS (live_a);
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if (ira_reg_classes_intersect_p[aclass][live_aclass]
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Don't set up conflict for the allocno with itself. */
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
&& live_a != a)
|
|
|
|
|
ira_add_conflict (obj, live_obj);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
for (r = ira_finish_point_ranges[i]; r != NULL; r = r->finish_next)
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
sparseset_clear_bit (objects_live, OBJECT_CONFLICT_ID (r->object));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
ira-int.h (struct live_range): Rename allocno member to object and change type to ira_object_t.
* ira-int.h (struct live_range): Rename allocno member to object and change
type to ira_object_t.
(struct ira_object): New member live_ranges.
(struct ira_allocno): Remove member live_ranges.
(ALLOCNO_LIVE_RANGES): Remove.
(OBJECT_LIVE_RANGES): New macro.
(ira_create_live_range, ira_copy_live_range_list,
ira_merge_live_range_list, ira_live_ranges_intersect_p,
ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
* ira-build.c (ira_create_object): Initialize live ranges here.
(ira_create_allocno): Not here.
(ira_create_live_range): Rename from ira_create_allocno_live_range, arg
changed to ira_object_t, all callers changed.
(copy_live_range): Rename from copy_allocno_live_range, all callers
changed.
(ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
all callers changed.
(ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
all callers changed.
(ira_live_ranges_intersect_p): Rename from
ira_allocno_live_ranges_intersect_p, all callers changed.
(ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
callers changed.
(ira_finish_live_range_list): Rename from
ira_finish_allocno_live_range_list, all callers changed.
(change_object_in_range_list): Rename from change_allocno_in_range_list,
last arg changed to ira_object_t, all callers changed.
(finish_allocno): Changed to expect live ranges in the allocno's object.
(move_allocno_live_ranges, copy_allocno_live_ranges,
update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
ira_flattening, ira_build): Likewise.
* ira-color.c (allocnos_have_intersected_live_ranges_p,
slot_coalesced_allocno_live_ranges_intersect,
setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
* ira-emit.c (add_range_and_copies_from_move_list): Likewise.
* ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
make_allocno_dead, create_start_finish_chains,
remove_some_program_points_and_update_live_ranges,
ira_debug_live_range_list): Likewise.
From-SVN: r162167
2010-07-14 03:55:02 +02:00
|
|
|
|
sparseset_free (objects_live);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
compress_conflict_vecs ();
|
|
|
|
|
}
|
|
|
|
|
/* Mark some copies for removing and change allocnos in the rest
|
|
|
|
|
copies. */
|
|
|
|
|
FOR_EACH_COPY (cp, ci)
|
|
|
|
|
{
|
|
|
|
|
if (ALLOCNO_CAP_MEMBER (cp->first) != NULL
|
|
|
|
|
|| ALLOCNO_CAP_MEMBER (cp->second) != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (internal_flag_ira_verbose > 4 && ira_dump_file != NULL)
|
|
|
|
|
fprintf
|
|
|
|
|
(ira_dump_file, " Remove cp%d:%c%dr%d-%c%dr%d\n",
|
|
|
|
|
cp->num, ALLOCNO_CAP_MEMBER (cp->first) != NULL ? 'c' : 'a',
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
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ALLOCNO_NUM (cp->first),
|
|
|
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REGNO (allocno_emit_reg (cp->first)),
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_CAP_MEMBER (cp->second) != NULL ? 'c' : 'a',
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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ALLOCNO_NUM (cp->second),
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REGNO (allocno_emit_reg (cp->second)));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
cp->loop_tree_node = NULL;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
first
|
|
|
|
|
= regno_top_level_allocno_map[REGNO (allocno_emit_reg (cp->first))];
|
|
|
|
|
second
|
|
|
|
|
= regno_top_level_allocno_map[REGNO (allocno_emit_reg (cp->second))];
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
node = cp->loop_tree_node;
|
|
|
|
|
if (node == NULL)
|
|
|
|
|
keep_p = true; /* It copy generated in ira-emit.c. */
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Check that the copy was not propagated from level on
|
|
|
|
|
which we will have different pseudos. */
|
|
|
|
|
node_first = node->regno_allocno_map[ALLOCNO_REGNO (cp->first)];
|
|
|
|
|
node_second = node->regno_allocno_map[ALLOCNO_REGNO (cp->second)];
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
keep_p = ((REGNO (allocno_emit_reg (first))
|
|
|
|
|
== REGNO (allocno_emit_reg (node_first)))
|
|
|
|
|
&& (REGNO (allocno_emit_reg (second))
|
|
|
|
|
== REGNO (allocno_emit_reg (node_second))));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
if (keep_p)
|
|
|
|
|
{
|
|
|
|
|
cp->loop_tree_node = ira_loop_tree_root;
|
|
|
|
|
cp->first = first;
|
|
|
|
|
cp->second = second;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
cp->loop_tree_node = NULL;
|
|
|
|
|
if (internal_flag_ira_verbose > 4 && ira_dump_file != NULL)
|
|
|
|
|
fprintf (ira_dump_file, " Remove cp%d:a%dr%d-a%dr%d\n",
|
|
|
|
|
cp->num, ALLOCNO_NUM (cp->first),
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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REGNO (allocno_emit_reg (cp->first)),
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ALLOCNO_NUM (cp->second),
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REGNO (allocno_emit_reg (cp->second)));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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}
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}
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/* Remove unnecessary allocnos on lower levels of the loop tree. */
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FOR_EACH_ALLOCNO (a, ai)
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{
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
if (a != regno_top_level_allocno_map[REGNO (allocno_emit_reg (a))]
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|| ALLOCNO_CAP_MEMBER (a) != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (internal_flag_ira_verbose > 4 && ira_dump_file != NULL)
|
|
|
|
|
fprintf (ira_dump_file, " Remove a%dr%d\n",
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ALLOCNO_NUM (a), REGNO (allocno_emit_reg (a)));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
finish_allocno (a);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
ALLOCNO_LOOP_TREE_NODE (a) = ira_loop_tree_root;
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ALLOCNO_REGNO (a) = REGNO (allocno_emit_reg (a));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_CAP (a) = NULL;
|
2008-10-27 17:39:26 +01:00
|
|
|
|
/* Restore updated costs for assignments from reload. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ALLOCNO_UPDATED_MEMORY_COST (a) = ALLOCNO_MEMORY_COST (a);
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
ALLOCNO_UPDATED_CLASS_COST (a) = ALLOCNO_CLASS_COST (a);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (! ALLOCNO_ASSIGNED_P (a))
|
|
|
|
|
ira_free_allocno_updated_costs (a);
|
|
|
|
|
ira_assert (ALLOCNO_UPDATED_HARD_REG_COSTS (a) == NULL);
|
|
|
|
|
ira_assert (ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS (a) == NULL);
|
|
|
|
|
}
|
|
|
|
|
/* Remove unnecessary copies. */
|
|
|
|
|
FOR_EACH_COPY (cp, ci)
|
|
|
|
|
{
|
|
|
|
|
if (cp->loop_tree_node == NULL)
|
|
|
|
|
{
|
|
|
|
|
ira_copies[cp->num] = NULL;
|
|
|
|
|
finish_copy (cp);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
ira_assert
|
|
|
|
|
(ALLOCNO_LOOP_TREE_NODE (cp->first) == ira_loop_tree_root
|
|
|
|
|
&& ALLOCNO_LOOP_TREE_NODE (cp->second) == ira_loop_tree_root);
|
|
|
|
|
ira_add_allocno_copy_to_list (cp);
|
|
|
|
|
ira_swap_allocno_copy_ends_if_necessary (cp);
|
|
|
|
|
}
|
|
|
|
|
rebuild_regno_allocno_maps ();
|
2008-09-26 02:14:30 +02:00
|
|
|
|
if (ira_max_point != ira_max_point_before_emit)
|
|
|
|
|
ira_compress_allocno_live_ranges ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_free (regno_top_level_allocno_map);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef ENABLE_IRA_CHECKING
|
|
|
|
|
/* Check creation of all allocnos. Allocnos on lower levels should
|
|
|
|
|
have allocnos or caps on all upper levels. */
|
|
|
|
|
static void
|
|
|
|
|
check_allocno_creation (void)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
ira_loop_tree_node_t loop_tree_node;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
2008-09-03 22:20:57 +02:00
|
|
|
|
loop_tree_node = ALLOCNO_LOOP_TREE_NODE (a);
|
|
|
|
|
ira_assert (bitmap_bit_p (loop_tree_node->all_allocnos,
|
|
|
|
|
ALLOCNO_NUM (a)));
|
|
|
|
|
if (loop_tree_node == ira_loop_tree_root)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
continue;
|
|
|
|
|
if (ALLOCNO_CAP_MEMBER (a) != NULL)
|
2008-09-03 22:20:57 +02:00
|
|
|
|
ira_assert (ALLOCNO_CAP (a) != NULL);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
else if (ALLOCNO_CAP (a) == NULL)
|
2008-09-03 22:20:57 +02:00
|
|
|
|
ira_assert (loop_tree_node->parent
|
|
|
|
|
->regno_allocno_map[ALLOCNO_REGNO (a)] != NULL
|
|
|
|
|
&& bitmap_bit_p (loop_tree_node->border_allocnos,
|
|
|
|
|
ALLOCNO_NUM (a)));
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2010-05-25 18:29:38 +02:00
|
|
|
|
/* Identify allocnos which prefer a register class with a single hard register.
|
|
|
|
|
Adjust ALLOCNO_CONFLICT_HARD_REG_COSTS so that conflicting allocnos are
|
|
|
|
|
less likely to use the preferred singleton register. */
|
|
|
|
|
static void
|
|
|
|
|
update_conflict_hard_reg_costs (void)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
int i, index, min;
|
|
|
|
|
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
|
|
|
{
|
2011-05-01 14:33:13 +02:00
|
|
|
|
reg_class_t aclass = ALLOCNO_CLASS (a);
|
|
|
|
|
reg_class_t pref = reg_preferred_class (ALLOCNO_REGNO (a));
|
2012-10-02 21:34:38 +02:00
|
|
|
|
int singleton = ira_class_singleton[pref][ALLOCNO_MODE (a)];
|
|
|
|
|
if (singleton < 0)
|
2010-05-25 18:29:38 +02:00
|
|
|
|
continue;
|
2012-10-02 21:34:38 +02:00
|
|
|
|
index = ira_class_hard_reg_index[(int) aclass][singleton];
|
2010-05-25 18:29:38 +02:00
|
|
|
|
if (index < 0)
|
|
|
|
|
continue;
|
|
|
|
|
if (ALLOCNO_CONFLICT_HARD_REG_COSTS (a) == NULL
|
|
|
|
|
|| ALLOCNO_HARD_REG_COSTS (a) == NULL)
|
|
|
|
|
continue;
|
|
|
|
|
min = INT_MAX;
|
2011-05-01 14:33:13 +02:00
|
|
|
|
for (i = ira_class_hard_regs_num[(int) aclass] - 1; i >= 0; i--)
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
|
|
|
if (ALLOCNO_HARD_REG_COSTS (a)[i] > ALLOCNO_CLASS_COST (a)
|
2010-05-25 18:29:38 +02:00
|
|
|
|
&& min > ALLOCNO_HARD_REG_COSTS (a)[i])
|
|
|
|
|
min = ALLOCNO_HARD_REG_COSTS (a)[i];
|
|
|
|
|
if (min == INT_MAX)
|
|
|
|
|
continue;
|
|
|
|
|
ira_allocate_and_set_costs (&ALLOCNO_CONFLICT_HARD_REG_COSTS (a),
|
[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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aclass, 0);
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2010-05-25 18:29:38 +02:00
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ALLOCNO_CONFLICT_HARD_REG_COSTS (a)[index]
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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-= min - ALLOCNO_CLASS_COST (a);
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2010-05-25 18:29:38 +02:00
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}
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
/* Create a internal representation (IR) for IRA (allocnos, copies,
|
2012-01-19 21:46:31 +01:00
|
|
|
|
loop tree nodes). The function returns TRUE if we generate loop
|
|
|
|
|
structure (besides nodes representing all function and the basic
|
|
|
|
|
blocks) for regional allocation. A true return means that we
|
|
|
|
|
really need to flatten IR before the reload. */
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
bool
|
2012-01-19 21:46:31 +01:00
|
|
|
|
ira_build (void)
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
{
|
2012-01-19 21:46:31 +01:00
|
|
|
|
bool loops_p;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
|
2012-01-19 21:46:31 +01:00
|
|
|
|
df_analyze ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
initiate_cost_vectors ();
|
|
|
|
|
initiate_allocnos ();
|
|
|
|
|
initiate_copies ();
|
2012-01-19 21:46:31 +01:00
|
|
|
|
create_loop_tree_nodes ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
form_loop_tree ();
|
|
|
|
|
create_allocnos ();
|
|
|
|
|
ira_costs ();
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
|
|
|
create_allocno_objects ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_create_allocno_live_ranges ();
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
remove_unnecessary_regions (false);
|
2008-09-26 02:14:30 +02:00
|
|
|
|
ira_compress_allocno_live_ranges ();
|
2008-11-14 17:41:56 +01:00
|
|
|
|
update_bad_spill_attribute ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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loops_p = more_one_region_p ();
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|
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if (loops_p)
|
|
|
|
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{
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|
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propagate_allocno_info ();
|
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create_caps ();
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}
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
|
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ira_tune_allocno_costs ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
#ifdef ENABLE_IRA_CHECKING
|
|
|
|
|
check_allocno_creation ();
|
|
|
|
|
#endif
|
|
|
|
|
setup_min_max_allocno_live_range_point ();
|
ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
|
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sort_conflict_id_map ();
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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|
|
|
setup_min_max_conflict_allocno_ids ();
|
|
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|
|
ira_build_conflicts ();
|
2010-05-25 18:29:38 +02:00
|
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update_conflict_hard_reg_costs ();
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
if (! ira_conflicts_p)
|
|
|
|
|
{
|
|
|
|
|
ira_allocno_t a;
|
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
|
|
|
|
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/* Remove all regions but root one. */
|
|
|
|
|
if (loops_p)
|
|
|
|
|
{
|
|
|
|
|
remove_unnecessary_regions (true);
|
|
|
|
|
loops_p = false;
|
|
|
|
|
}
|
|
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|
|
/* We don't save hard registers around calls for fast allocation
|
|
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|
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-- add caller clobbered registers as conflicting ones to
|
|
|
|
|
allocno crossing calls. */
|
|
|
|
|
FOR_EACH_ALLOCNO (a, ai)
|
|
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|
|
if (ALLOCNO_CALLS_CROSSED_NUM (a) != 0)
|
2010-07-22 17:48:30 +02:00
|
|
|
|
ior_hard_reg_conflicts (a, &call_used_reg_set);
|
re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
2009-01-06 04:50:07 +01:00
|
|
|
|
}
|
2008-09-05 01:35:03 +02:00
|
|
|
|
if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
|
|
|
|
|
print_copies (ira_dump_file);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
if (internal_flag_ira_verbose > 0 && ira_dump_file != NULL)
|
|
|
|
|
{
|
2010-07-22 17:48:30 +02:00
|
|
|
|
int n, nr, nr_big;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_allocno_t a;
|
2010-06-25 01:30:28 +02:00
|
|
|
|
live_range_t r;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
ira_allocno_iterator ai;
|
|
|
|
|
|
|
|
|
|
n = 0;
|
2010-07-22 17:48:30 +02:00
|
|
|
|
nr = 0;
|
|
|
|
|
nr_big = 0;
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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FOR_EACH_ALLOCNO (a, ai)
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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{
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2010-07-22 17:48:30 +02:00
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int j, nobj = ALLOCNO_NUM_OBJECTS (a);
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[multiple changes]
2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
* ira-color.c (update_left_conflict_sizes_p): Don't assume that
conflict object hard regset nodes have intersecting hard reg sets.
* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
after regstat_init_n_sets_and_refs.
* ira.c: Add more comments at the top.
(setup_stack_reg_pressure_class, setup_pressure_classes):
Add comments how we compute the register pressure classes.
(setup_allocno_and_important_classes): Add more comments.
(setup_class_translate_array, reorder_important_classes)
(setup_reg_class_relations): Add comments.
* ira-emit.c: Add 2011 to the Copyright line. Add comments at the
start of the file.
* ira-color.c: Add 2011 to the Copyright line.
(assign_hard_reg): Add more comments.
(improve_allocation): Ditto.
* ira-costs.c: Add 2011 to the Copyright line.
(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
comments.
(setup_regno_cost_classes_by_mode): Ditto.
Initial patches from ira-improv branch:
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c: (ira_create_object): Remove initialization of
OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
(ira_create_allocno): Remove initialization of
ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
Initialize ALLOCNO_ADD_DATA.
(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
ALLOCNO_REG.
(ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
* ira.c (ira_reallocate): Remove.
(setup_pressure_classes): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
(ira): Call ira_initiate_emit_data and ira_finish_emit_data.
* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
Fix formatting.
(object_hard_regs_t, object_hard_regs_node_t): Move from
ira-int.h.
(struct object_hard_regs, struct object_hard_regs_node): Ditto.
(struct allocno_color_data): New.
(allocno_color_data_t): New typedef.
(allocno_color_data): New definition.
(ALLOCNO_COLOR_DATA): New macro.
(struct object_color_data): New.
(object_color_data_t): New typedef.
(object_color_data): New definition.
(OBJECT_COLOR_DATA): New macro.
(update_copy_costs, calculate_allocno_spill_cost): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(move_spill_restore, update_curr_costs): Ditto.
(allocno_spill_priority): Make it inline.
(color_pass): Allocate and free allocno_color_dat and
object_color_data.
(struct coalesce_data, coalesce_data_t): New.
(allocno_coalesce_data): New definition.
(ALLOCNO_COALESCE_DATA): New macro.
(merge_allocnos, coalesced_allocno_conflict_p): Use
ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
(coalesce_allocnos): Ditto.
(setup_coalesced_allocno_costs_and_nums): Ditto.
(collect_spilled_coalesced_allocnos): Ditto.
(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
(coalesce_spill_slots): Ditto.
(ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
free allocno_coalesce_data.
* ira-conflicts.c: Fix formatting.
(process_regs_for_copy): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
(build_object_conflicts): Optimize.
* ira-costs.c (record_reg_classes): Optimize. Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost, ira_may_move_in_cost, and
ira_may_move_out_cost instead of ira_get_register_move_cost and
ira_get_may_move_cost.
(record_address_regs): Ditto.
(scan_one_insn): Optimize.
(find_costs_and_classes): Optimize.
(process_bb_node_for_hard_reg_moves): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
definitions.
(ira_initiate_emit_data, ira_finish_emit_data)
(create_new_allocno): New functions.
(modify_move_list): Call create_new_alloc instead of
ira_create_allocno.
(emit_move_list): Call ira_init_register_move_cost_if_necessary.
Use ira_register_move_cost instead of ira_get_register_move_cost.
* ira-int.h: Fix some comments.
(object_hard_regs_t, object_hard_regs_node_t): Move
to ira-color.c.
(struct object_hard_regs, struct object_hard_regs_node):
Ditto.
(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
add_data.
(struct ira_allocno): Make mode and aclass a bitfield. Move other
bitfield after mode. Make hard_regno a short int. Make
hard_regno short. Remove first_coalesced_allocno and
next_coalesced_allocno. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
available_regs_num, next_bucket_allocno, prev_bucket_allocno,
temp, colorable_p. Add new member add_data.
(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
(ALLOCNO_ADD_DATA): New macro.
(ira_emit_data_t): New typedef.
(struct ira_emit_data): New. Move mem_optimized_dest_p,
somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
from struct ira_allocno.
(ALLOCNO_EMIT_DATA): New macro.
(ira_allocno_emit_data, allocno_emit_reg): New.
(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM):
Remove.
(OBJECT_ADD_DATA): New macro.
(ira_reallocate): Remove.
(ira_initiate_emit_data, ira_finish_emit_data): New.
(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
(ira_init_register_move_cost_if_necessary): New.
(ira_object_conflict_iter_next): Merge into
ira_object_conflict_iter_cond.
(FOR_EACH_OBJECT_CONFLICT): Don't use
ira_object_conflict_iter_next.
* ira-live.c: (process_single_reg_class_operands): Call
ira_init_register_move_cost_if_necessary. Use
ira_register_move_cost instead of ira_get_register_move_cost.
2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (struct target_ira_int): Remove x_cost_classes.
* ira-costs.c: Fix formatting.
(cost_classes, cost_classes_num): Remove.
(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
(cost_classes_del, cost_classes_htab): New.
(cost_classes_aclass_cache, cost_classes_mode_cache): New.
(initiate_regno_cost_classes, setup_cost_classes): New.
(setup_regno_cost_classes_by_aclass): New.
(setup_regno_cost_classes_by_mode, finish_regno_cost_classes):
New.
(record_reg_classes): Use regno_cost_classes instead of
cost_classes. Move checking opposite operand up.
(record_address_regs): Use regno_cost_classes
instead of cost_classes.
(scan_one_insn): Ditto. Use always general register.
(print_allocno_costs): Use regno_cost_classes instead of
cost_classes.
(print_pseudo_costs): Ditto. Use Reg_N_REFS.
(find_costs_and_classes): Set up cost classes for each registers.
Use also their mode for this. Use regno_cost_classes instead of
cost_classes.
(setup_allocno_class_and_costs): Use regno_cost_classes instead of
cost_classes.
(free_ira_costs, ira_init_costs): Don't use cost_classes.
(ira_costs, ira_set_pseudo_classes): Call
initiate_regno_cost_classes and finish_regno_cost_classes.
2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
* target.def (ira_cover_classes): Remove.
* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and
IRA_COVER_CLASSES.
* doc/tm.texi.in: Ditto.
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix
formatting.
* targhooks.c (default_ira_cover_classes): Remove.
* targhooks.h (default_ira_cover_classes): Ditto.
* haifa-sched.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira-int.h: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
(struct object_hard_regs, struct object_hard_regs_node): New.
(struct ira_object): New members profitable_hard_regs,
hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
(struct ira_allocno): Rename cover_class to aclass. Rename
cover_class_cost and updated_cover_class_cost to class_cost and
updated_class_cost. Remove splay_removed_p and
left_conflict_size. Add new members colorable_p.
(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
(ALLOCNO_COLORABLE_P): New macro.
(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
(OBJECT_...): Rename parameter C to O.
(OBJECT_PROFITABLE_HARD_REGS): New macro.
(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
(struct target_ira_int): New members x_ira_max_memory_move_cost,
x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
x_ira_reg_pressure_class_p, x_ira_important_class_nums,
x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
x_ira_reg_class_subunion.
(ira_max_memory_move_cost, ira_max_register_move_cost)
(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
(ira_important_class_nums, ira_reg_class_superunion): New macros.
(prohibited_class_mode_regs): Rename to
ira_prohibited_class_mode_regs.
(ira_reg_class_union): Rename to ira_reg_class_subunion.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs.
(ira_debug_hard_regs_forest): New.
(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
(ira_object_conflict_iter_next): Fix comments.
(ira_hard_reg_set_intersection_p, hard_reg_set_size): New
functions.
(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
cover_class to aclass.
(ira_allocate_and_accumulate_costs): Ditto.
(ira_allocate_and_set_or_copy_costs): Ditto.
* opts.c (decode_options): Remove ira_cover_class check.
* ira-color.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(splay-tree.h): Remove include.
(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
before copy_freq_compare_func.
(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
New definitions.
(hard_regs_roots, hard_regs_node_vec): Ditto.
(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
(finish_object_hard_regs, object_hard_regs_compare): Ditto.
(create_new_object_hard_regs_node): Ditto.
(add_new_object_hard_regs_node_to_forest): Ditto.
(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
Ditto.
(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
Ditto.
(print_hard_reg_set, print_hard_regs_subforest): Ditto.
(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
(remove_unused_object_hard_regs_nodes): Ditto.
(enumerate_object_hard_regs_nodes): Ditto.
(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
(object_hard_regs_subnode_t): Ditto.
(struct object_hard_regs_subnode): Ditto.
(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
(setup_object_hard_regs_subnode_index): Ditto.
(get_object_hard_regs_subnodes_num): Ditto.
(form_object_hard_regs_nodes_forest): Ditto.
(finish_object_hard_regs_nodes_tree): Ditto.
(finish_object_hard_regs_nodes_forest): Ditto.
(allocnos_have_intersected_live_ranges_p): Rename to
allocnos_conflict_by_live_ranges_p. Move before
copy_freq_compare_func.
(pseudos_have_intersected_live_ranges_p): Rename to
conflict_by_live_ranges_p. Move before copy_freq_compare_func.
(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
(update_copy_costs): Remove assert. Skip cost update if the hard
reg does not belong the class.
(assign_hard_reg): Process only profitable hard regs.
(uncolorable_allocnos_num): Make it scalar.
(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
and ira_reg_class_max_nregs.
(bucket_allocno_compare_func): Check frequency first.
(sort_bucket): Add compare function as a parameter.
(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
(push_allocno_to_stack): Rewrite for checking new allocno
colorability.
(remove_allocno_from_bucket_and_push): Print cost too. Remove
assert.
(push_only_colorable): Pass new parameter to sort_bucket.
(push_allocno_to_spill): Remove.
(allocno_spill_priority_compare): Make it inline and rewrite.
(splay_tree_allocate, splay_tree_free): Remove.
(allocno_spill_sort_compare): New function.
(push_allocnos_to_stack): Sort allocnos for spilling once. Don't
build and use splay tree. Choose first allocno in uncolorable
allocno bucket to spill. Remove setting spill cost.
(all_conflicting_hard_regs): Remove.
(setup_allocno_available_regs_num): Check only profitable hard
regs. Print info about hard regs nodes.
(setup_allocno_left_conflicts_size): Remove.
(put_allocno_into_bucket): Don't call
setup_allocno_left_conflicts_size. Use
setup_left_conflict_sizes_p.
(improve_allocation): New.
(color_allocnos): Call setup_profitable_hard_regs,
form_object_hard_regs_nodes_forest, improve_allocation,
finish_object_hard_regs_nodes_forest. Setup spill cost.
(print_loop_title): Use pressure classes.
(color_allocnso): Ditto.
(do_coloring): Remove allocation and freeing splay_tree_node_pool
and allocnos_for_spilling.
(ira_sort_regnos_for_alter_reg): Don't setup members
{first,next}_coalesced_allocno.
(color): Remove allocating and freeing removed_splay_allocno_vec.
(fast_allocation): Use ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
* ira-lives.c: Remove mentioning cover classes from the file. Fix
formatting.
(update_allocno_pressure_excess_length): Use pressure classes.
(inc_register_pressure, dec_register_pressure): Check for pressure
class.
(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
pressure class. Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
(single_reg_class): Use ira_reg_class_nregs instead of
ira_reg_class_max_nregs.
(process_bb_node_lives): Use pressure classes.
* ira-emit.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
(change_loop): Use pressure classes.
(modify_move_list): Call ira_set_allocno_class instead of
ira_set_allocno_cover_class.
* ira-build.c: Remove mentioning cover classes from the file. Use
ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
ALLOCNO_UPDATED_CLASS_COST instead of
ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
(ira_create_allocno): Remove initialization of
ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
ALLOCNO_COLORABLE_P.
(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
Update conflict regs for the objects.
(create_cap_allocno): Remove assert. Don't propagate
ALLOCNO_AVAILABLE_REGS_NUM.
(ira_free_allocno_costs): New function.
(finish_allocno): Change a part of code into call of
ira_free_allocno_costs.
(low_pressure_loop_node_p): Use pressure classes.
(object_range_compare_func): Don't compare classes.
(setup_min_max_conflict_allocno_ids): Ditto.
* loop-invariant.c: Remove mentioning cover classes from the file.
Use ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
(get_cover_class_and_nregs): Rename to
get_cover_pressure_and_nregs. Use ira_reg_class_max_nregs instead
of ira_reg_class_nregs. Use reg_allocno_class instead of
reg_cover_class.
(get_inv_cost): Use instead ira_stack_reg_pressure_class of
STACK_REG_COVER_CLASS.
(get_regno_cover_class): Rename to get_regno_pressure_class.
(move_loop_invariants): Initialize and finalize regstat.
* ira.c: Remove mentioning cover classes from the file. Add
comments about coloring without cover classes. Use ALLOCNO_CLASS
instead of ALLOCNO_COVER_CLASS. Fix formatting.
(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
setup_class_subset_and_memory_move_costs.
(setup_stack_reg_pressure_class, setup_pressure_classes): New.
(setup_cover_and_important_classes): Rename to
setup_allocno_and_important_classes.
(setup_class_translate_array): New.
(setup_class_translate): Call it for allocno and pressure classes.
(cover_class_order): Rename to allocno_class_order.
(comp_reg_classes_func): Use ira_allocno_class_translate instead
of ira_class_translate.
(reorder_important_classes): Set up ira_important_class_nums.
(setup_reg_class_relations): Set up ira_reg_class_superunion.
(print_class_cover): Rename to print_classes. Add parameter.
(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
Print pressure classes too.
(find_reg_class_closure): Rename to find_reg_classes. Don't call
setup_reg_subclasses.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(setup_prohibited_class_mode_regs): Use
ira_prohibited_class_mode_regs instead of
prohibited_class_mode_regs.
(clarify_prohibited_class_mode_regs): New function.
(ira_init_register_move_cost): Set up ira_max_register_move_cost,
ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
(ira_init_once): Initialize them.
(free_register_move_costs): Process them.
(ira_init): Move calls of find_reg_classes and
setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
Call clarify_prohibited_class_mode_regs.
(ira_no_alloc_reg): Remove.
(too_high_register_pressure_p): Use pressure classes.
* sched-deps.c: Remove mentioning cover classes from the file.
Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
ira_pressure_classes and ira_pressure_classes_num instead of
ira_reg_class_cover_size and ira_reg_class_cover.
(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
sched_regno_pressure_class instead of sched_regno_cover_class.
(mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
ira_reg_class_max_nregs instead of ira_reg_class_nregs.
* ira.h: Add 2010 to Copyright.
(ira_no_alloc_reg): Remove external.
(struct target_ira): Rename x_ira_hard_regno_cover_class,
x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
x_ira_class_translate to x_ira_hard_regno_allocno_class,
x_ira_allocno_classes_num, x_ira_allocno_classes, and
x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
x_ira_pressure_classes, x_ira_pressure_class_translate, and
x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
x_ira_no_alloc_regs.
(ira_hard_regno_cover_class): Rename to
ira_hard_regno_allocno_class.
(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
ira_allocno_classes_num and ira_allocno_classes.
(ira_class_translate): Rename to ira_allocno_class_translate.
(ira_pressure_classes_num, ira_pressure_classes): New definitions.
(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
(ira_no_alloc_regs): New.
* ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file. Use ALLOCNO_CLASS instead of
ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
ALLOCNO_COVER_CLASS_COST.
(regno_cover_class): Rename to regno_aclass.
(record_reg_classes): Use ira_reg_class_subunion instead of
ira_reg_class_union.
(record_address_regs): Check overflow.
(scan_one_insn): Ditto.
(print_allocno_costs): Print total mem cost fore regional
allocation.
(print_pseudo_costs): Use REG_N_REFS.
(find_costs_and_classes): Use classes intersected with them on the
1st pass. Check overflow. Use ira_reg_class_subunion instead of
ira_reg_class_union. Use ira_allocno_class_translate and
regno_aclass instead of ira_class_translate and regno_cover_class.
Modify code for finding regno_aclass. Setup preferred classes for
the next pass.
(setup_allocno_cover_class_and_costs): Rename to
setup_allocno_class_and_costs. Use regno_aclass instead of
regno_cover_class. Use ira_set_allocno_class instead of
ira_set_allocno_cover_class.
(init_costs, finish_costs): Use regno_aclass instead of
regno_cover_class.
(ira_costs): Use setup_allocno_class_and_costs instead of
setup_allocno_cover_class_and_costs.
(ira_tune_allocno_costs_and_cover_classes): Rename to
ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
by processing objects. Use ira_reg_class_max_nregs instead of
ira_reg_class_nregs.
* rtl.h (reg_cover_class): Rename to reg_allocno_class.
* sched-int.h: Remove mentioning cover classes from the file.
(sched_regno_cover_class): Rename to sched_regno_pressure_class.
* reginfo.c: Add 2010 to Copyright. Remove mentioning cover
classes from the file.
(struct reg_pref): Rename coverclass into allocnoclass.
(reg_cover_class): Rename to reg_allocno_class.
* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from
dependencies.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
(i386_ira_cover_classes): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
(mips_ira_cover_classes): Ditto.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
(IRA_COVER_CLASSES_VSX): Ditto.
* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
(rs6000_ira_cover_classes): Ditto.
* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
* config/score/score.h (IRA_COVER_CLASSES): Ditto.
* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
From-SVN: r171649
2011-03-29 03:02:05 +02:00
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2010-07-22 17:48:30 +02:00
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if (nobj > 1)
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nr_big++;
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for (j = 0; j < nobj; j++)
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{
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ira_object_t obj = ALLOCNO_OBJECT (a, j);
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n += OBJECT_NUM_CONFLICTS (obj);
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for (r = OBJECT_LIVE_RANGES (obj); r != NULL; r = r->next)
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nr++;
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}
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ira-int.h (struct ira_object): New.
* ira-int.h (struct ira_object): New.
(ira_object_t): New typedef. Add DEF_VEC_P and DEF_VEC_ALLOC_P
for it.
(struct ira_allocno): Remove members min, max,
conflict_allocno_array, conflict_id, conflict_allocno_array_size,
conflict_allocnos_num and conflict_vec_p. Add new member object.
(OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
an ira_object_t rather than ira_allocno_t. All uses changed.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_objects_num): Declare variable.
(ira_create_allocno_object): Declare function.
(ira_conflict_vector_profitable_p): Adjust prototype.
(ira_allocate_conflict_vec): Renamed from
ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
(ira_allocate_object_conflicts): Renamed from
ira_allocate_allocno_conflicts; first arg now ira_object_t.
(struct ira_object_iterator): New.
(ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
(ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
to conflict_vec_p. All uses changed.
(ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
Changed to take into account that conflicts are now tracked for
objects.
* ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
CONFLICT_ALLOCNO_P. Args changed to accept ira_object_t. All
uses changed.
(allocnos_conflict_p): New static function.
(collected_conflict_objects): Renamed from collected_allocno_objects;
now a vector of ira_object_t. All uses changed.
(build_conflict_bit_table): Changed to take into account that
conflicts are now tracked for objects.
(process_regs_for_copy, propagate_copies, build_allocno_conflicts)
(print_allocno_conflicts, ira_build_conflicts): Likewise.
* ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
setup_allocno_left_conflicts_size, allocno_reload_assign,
fast_allocation): Likewise.
* ira-lives.c (make_hard_regno_born, make_allocno_born)
process_single_reg_class_operands, process_bb_node_lives): Likewise.
* ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
Likewise.
* ira-build.c (ira_objects_num): New variable.
(ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
contains a vector of ira_object_t; all uses changed.
(ira_object_id_map_vec): Corresponding change.
(object_pool): New static variable.
(initiate_allocnos): Initialize it.
(finish_allocnos): Free it.
(ira_create_object, ira_create_allocno_object, create_allocno_objects):
New functions.
(ira_create_allocno): Don't set members that were removed.
(ira_set_allocno_cover_class): Don't change conflict hard regs.
(merge_hard_reg_conflicts): Changed to take into account that
conflicts are now tracked for objects.
(ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
allocate_conflict_bit_vec, ira_allocate_object_conflicts,
compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
setup_min_max_allocno_live_range_point, allocno_range_compare_func,
setup_min_max_conflict_allocno_ids, ): Likewise.
((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
to ira_object_t; all callers changed.
(ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
to ira_object_t, all callers changed.
(clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
to ira_object_t, all callers changed.
(conflict_check, curr_conflict_check_tick): Renamed from
allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
changed.
(compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
arg changed to ira_object_t, all callers changed.
(create_cap_allocno): Call ira_create_allocno_object.
(finish_allocno): Free the corresponding object.
(sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
callers changed. Adjusted for dealing with objects.
(ira_build): Call create_allocno_objects after ira_costs. Adjusted for
dealing with objects.
* ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
From-SVN: r162166
2010-07-14 03:53:35 +02:00
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}
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[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
fprintf (ira_dump_file, " regions=%d, blocks=%d, points=%d\n",
|
2012-01-19 21:46:31 +01:00
|
|
|
|
current_loops == NULL ? 1 : VEC_length (loop_p, ira_loops.larray),
|
|
|
|
|
n_basic_blocks, ira_max_point);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
|
|
|
|
fprintf (ira_dump_file,
|
2010-07-22 17:48:30 +02:00
|
|
|
|
" allocnos=%d (big %d), copies=%d, conflicts=%d, ranges=%d\n",
|
|
|
|
|
ira_allocnos_num, nr_big, ira_copies_num, n, nr);
|
[multiple changes]
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-08-26 14:39:58 +02:00
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}
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return loops_p;
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}
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/* Release the data created by function ira_build. */
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void
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ira_destroy (void)
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{
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finish_loop_tree_nodes ();
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finish_copies ();
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finish_allocnos ();
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finish_cost_vectors ();
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ira_finish_allocno_live_ranges ();
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}
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